Individual Page


Family:
Marriage:
Bibliography
  1. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. I: Die Stammesherzoge, Die Weltlichenkurforsten, Die Kaiserlichen, Koniglichen und Grossherzoglichen Familien. Marburg: Verlag von J. A. Stargardt, 1980. Information from this source tagged as [Ref: ES I #[0-9]*].
  2. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.1 (#1-#200): Herzogs und Grafenhauser des Heiligen Romischen Reiches Andere Europaische Furstenhauser. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES III.1 #[0-9]*].
  3. van de Pas, Leo, Stephen de Blois. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 12/31/1998. Subject: Stephen de Blois - ONE. Available at https://groups.google.com/g/soc.genealogy.medieval/c/R4o_g0gNLwo/m/jEQUHazhrdsJ, https://groups.google.com/g/soc.genealogy.medieval/c/wIrLBjiGItA/m/Q6l3WGndArQJ, https://groups.google.com/g/soc.genealogy.medieval/c/qQtb53ijIIU/m/WO6FVxZs3bQJ, and https://groups.google.com/g/soc.genealogy.medieval/c/DWMeDK7PgyQ/m/08li8tHGqhcJ. Author address: leovdpas at iinet dot net dot au. Information from this source tagged as [Ref: Leo van de Pas SGM 12/31/1998-A].
  4. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v1[pc][0-9]*].
  5. Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v3p[0-9]*].

Sources for birth and parent Information
date:
[Ref: ES III.1 #51, Leo van de Pas SGM 12/31/1998-A],
place:
[Ref: Leo van de Pas SGM 12/31/1998-A],
parents:
[Ref: ES III.1 #51, Richardson RoyalAnc v3p188]
Sources for death Information
date:
[Ref: ES III.1 #51, Leo van de Pas SGM 12/31/1998-A]
1251 [Ref: ES I #96]
Sources with Information about marriage to Beatrix Of Brabant
date:
[Ref: ES I #96, ES III.1 #51, Leo van de Pas SGM 12/31/1998-A],
names:
[Ref: Richardson RoyalAnc v1p502]
Research Notes:
Sn de Courtrai [Ref: ES III.1 #51]
Count of Flanders [Ref: ES I #96, Leo van de Pas SGM 12/31/1998-A, Richardson RoyalAnc v3p188]



Pedigree of William III Sengneur De Courtrai
                                                                /-----Geldoin Seigneur De Dampierre
                                                       /-----Eudes Seigneur De Dampierre
                                                      |         \-----Melsinde
                                              /-----Viter/Gauthier Seigneur De Dampierre
                                             |        |         /-----Lambert Of Boulogne, Count Of Lens
                                             |         \-----Sybilla
                                             |                  \-----Adelaide Of Normandy
                                     /-----Thibaud Seigneur De Dampierre
                                    |         \-----Sybilla
                            /-----Gui I Seigneur De Dampierre, Vicomte Of Troyes
                           |        |                           /-----Milon I Seigneur De La Ferte
                           |        |                  /-----Guy Seigneur De Montchery And Bray
                           |        |                 |         \-----(Unk Dau)
                           |        |         /-----Milan Le Gros Seigneur De Montchery
                           |        |        |        |         /-----William Lord Of Burea
                           |        |        |         \-----Hodierna De La Ferte
                           |         \-----Isabel
                           |                 |                  /-----Guillaume Count Of Eu
                           |                 |         /-----William Count Of Eu
                           |                 |        |         \-----Lesceline De Turqueville
                           |                  \-----Lithwise Vicomtes De Troyes
                           |                          |         /-----Renaud Count Of Soissons
                           |                           \-----Aelis
                   /-----William Seigneur De Dampierre, Constable Of Cham
                  |        |         /-----Andre Seigneur De Baudmont
                  |         \-----Helvide Of Baudemont
                  |                  \-----Agnes Heiress Of Braine
          /-----Guy II Seigneur De Dampierre
         |        |                                             /-----Dreux I Seigneur De Meilo
         |        |                                    /-----Gilbert II Seigneur De Mello
         |        |                           /-----Dreux II Seigneur De Mello
         |        |                          |         \-----Ermentrude
         |        |                  /-----Dreux III Seigneur De Morichy
         |        |                 |        |                  /-----Renaud Count Of Clermont
         |        |                 |        |         /-----Hugh Count Of Clermont
         |        |                 |        |        |         \-----Ermengardis
         |        |                 |         \-----Rachilde
         |        |                 |                 |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
         |        |                 |                  \-----Margaret De Roucy
         |        |                 |                           \-----Adele De Roucy
         |        |         /-----Dreux IV Seigneur De Morichy
         |        |        |        |                           /-----Rodulf De Warrene
         |        |        |        |                  /-----Ralph II De Warrene
         |        |        |        |                 |         \-----Beatrice De VASCOEUIL
         |        |        |        |         /-----William De Warrene, Earl Of Surrey
         |        |        |        |        |         \-----Emma
         |        |        |         \-----Edith De WARENNE
         |        |        |                 |         /-----Gherbod The Fleming, Advocate Of St. Bertins
         |        |        |                  \-----Gundred
         |         \-----Ermengarde
         |                 |         /-----Lancelin II Of Beauvais
         |                  \-----Basilie
         |                          |                           /-----Manasser Count Of Dammartin
         |                          |                  /-----Eudes Count Of Dammartin
         |                          |                 |         \-----Constance
         |                          |         /-----Hugh II Count Of Dammartin
         |                           \-----Adele De Bulles
         |                                   |                  /-----Gilbert Count Of Brionne
         |                                   |         /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
         |                                    \-----Rohais
         |                                            |         /-----Walter Giffard Lord Of Longueville
         |                                             \-----Rohese GIFFARD
         |                                                      \-----Ermengarde FLATEL
 /-----William Seigneur De Dampierre
|        |                                                      /-----Archambaud II The Green Seigneur De Bourbon
|        |                                             /-----Archambaud III Le Montet Sire De Bourbon
|        |                                            |         \-----Ermengarde
|        |                                    /-----Archambaud IV Le Fort Sire De Bourbon
|        |                                   |         \-----Biletrude
|        |                           /-----Aymon II Vaire-Vache Sire De Bourbon
|        |                          |         \-----Beliarde
|        |                  /-----Archambaud VII The Strong Seigneur De Bourbon
|        |                 |        |                           /-----Renaud I Count Of Nevers
|        |                 |        |                  /-----William I Count Of Nevers
|        |                 |        |                 |         \-----Alvais Of France
|        |                 |        |         /-----William Count Of Tonnerre
|        |                 |        |        |        |         /-----Renaud Count Of Tonnerre
|        |                 |        |        |         \-----Ermengarde Of Tonnerre
|        |                 |        |        |                  \-----Helvis/Erwig
|        |                 |         \-----Aldesinde Of Nevers
|        |         /-----Archambaud VIII The Young Seigneur De Bourbon
|        |        |        |                                    /-----Humbert I Count Of Savoy
|        |        |        |                           /-----Otto Count Of Savoy, Marquess Of Turin
|        |        |        |                          |         \-----Amilia
|        |        |        |                  /-----Amadeus II Count Of Savoy
|        |        |        |                 |        |         /-----Ulric Manfred II Marquess Of Turin
|        |        |        |                 |         \-----Adelaide Markgrafin Of Susa
|        |        |        |                 |                  \-----Bertha
|        |        |        |         /-----Humbert II Count Of Maurienne And Savoy
|        |        |        |        |         \-----Adelaide
|        |        |         \-----Agnes Of Savoy
|        |        |                 |                           /-----Otto William Count Of Burgundy, Nevers, And Dijon
|        |        |                 |                  /-----Raynald I Count Of Burgundy
|        |        |                 |                 |         \-----Ermentrude Of Roucy
|        |        |                 |         /-----William I The Great Count Of Burgundy
|        |        |                 |        |        |         /-----Richard II The Good Duke Of Normandy
|        |        |                 |        |         \-----Alice Of Normandy
|        |        |                 |        |                  \-----Judith Of Brittany
|        |        |                  \-----Gisele Of Burgundy
|        |        |                          |                  /-----Raimond Borrel Count Of Barcelona
|        |        |                          |         /-----Berengar Raimond I Count Of Barcelona
|        |        |                          |        |         \-----Ermisende
|        |        |                           \-----Stephanie Of Barcelona
|        |        |                                   |         /-----Sunifredo II Lord Of Lluca And Villanova
|        |        |                                    \-----Guisle Of Lluca
|        |        |                                             \-----Ermendinde Of Balsareny
|         \-----Matilda De BOURBON, Dame De Bourbon
|                 |                                             /-----Robert The Old Duke Of Burgundy
|                 |                                    /-----Henry Of Burgundy
|                 |                                   |         \-----Helle Of Semur En Auxois
|                 |                           /-----Eudes I Borrel Duke Of Burgundy
|                 |                          |        |         /-----Berengar Raimond I Count Of Barcelona
|                 |                          |         \-----(Unk) Of Barcelona
|                 |                          |                  \-----Guisle Of Lluca
|                 |                  /-----Hugh II Duke Of Burgundy
|                 |                 |        |                  /-----Raynald I Count Of Burgundy
|                 |                 |        |         /-----William I The Great Count Of Burgundy
|                 |                 |        |        |         \-----Alice Of Normandy
|                 |                 |         \-----Matilda (Sibylle) Of Burgundy
|                 |                 |                 |         /-----Berengar Raimond I Count Of Barcelona
|                 |                 |                  \-----Stephanie Of Barcelona
|                 |                 |                           \-----Guisle Of Lluca
|                 |         /-----Eudes II Duke Of Burgundy
|                 |        |        |                           /-----Haymon
|                 |        |        |                  /-----Geoffrey I Baron Of Mayenne, Count Of Maine
|                 |        |        |         /-----Gautier Lord Of Mayenne
|                 |        |        |        |        |         /-----Gautier Of Alluye
|                 |        |        |        |         \-----Mahaut Of Alluye
|                 |        |         \-----Mechtild Of Mayenne
|                 |        |                 |                  /-----Richard Le Goz, Vicomte D'Avranches
|                 |        |                 |         /-----Turstain De Presles
|                 |        |                 |        |         \-----Emma
|                 |        |                  \-----Adeline/Alix
|                  \-----Alice Of Burgundy
|                          |                                    /-----Eudes II Count Of Blois
|                          |                           /-----Theobald III Count Of Blois And Champagne
|                          |                          |         \-----Ermengarde Of Auvergne
|                          |                  /-----Stephen Count Of Blois, Leader Of First Crusade
|                          |                 |        |         /-----Herbert Count Of Maine
|                          |                 |         \-----Garsend Of Maine
|                          |         /-----Theobald IV Count Of Blois
|                          |        |        |                  /-----Robert I The Devil Duke Of Normandy
|                          |        |        |         /-----William The Conqueror King Of England
|                          |        |        |        |         \-----Herleve Of Falaise
|                          |        |         \-----Adela
|                          |        |                 |         /-----Baldwin V Count Of Flanders
|                          |        |                  \-----Maud Of Flanders
|                          |        |                           \-----Adelaide Of France
|                           \-----Mary Of Blois
|                                   |                           /-----Siegfried Von Spondheim, Count Of Levanthal
|                                   |                  /-----Engelbert I Von Spondheim, Count In Lavanthal
|                                   |                 |         \-----Richardis
|                                   |         /-----Engelbert II Duke Of Corinthia, Margrave Of Istria
|                                   |        |        |         /-----Bernhard Von Flinsbach
|                                   |        |         \-----Hedwig
|                                   |        |                  \-----Alilia
|                                    \-----Matilda Of Carinthia
|                                            |                  /-----Ratpoto IV Count Of Vohburg
|                                            |         /-----Ulrich The Rich Count Of Passau
|                                            |        |         \-----Mathilda Of Chimgau
|                                             \-----Uta Of Passau
|                                                     |         /-----Kuno Count Of Lechsgemund
|                                                      \-----Adelheid Countess Of Lechsgemund
|                                                               \-----Mathilde Of Achalm
William III Sengneur De Courtrai
|                                                               /-----Baldwin V Count Of Flanders
|                                                      /-----Baldwin VI De MONS, Count Of Flanders
|                                                     |         \-----Adelaide Of France
|                                             /-----Baldwin II Count Of Hainault
|                                            |        |         /-----Gerhard II Count Of Egisheim
|                                            |         \-----Richilde Countess Of Hainault
|                                            |                  \-----Berta
|                                    /-----Baldwin III Count Of Hainault
|                                   |        |                  /-----Lambert II The Belted Count Of Louvain
|                                   |        |         /-----Henry II Of Brabant, Count Of Lorraine
|                                   |        |        |         \-----Oda Of Lorraine
|                                   |         \-----Ida Of Louvain
|                                   |                 |         /-----Eberhard Of Betuew And Teisterbant
|                                   |                  \-----Adelaide Of Betuew
|                           /-----Baldwin IV Count Of Hainault
|                          |        |                           /-----Gerard Flameus Count Of Teirterbant
|                          |        |                  /-----Dietrich Flameus Count In The Velux
|                          |        |         /-----Gerald I Count Of Guelders And Wassenberg
|                          |         \-----Yolande Of Guelders
|                  /-----Baldwin V Count Of Hainaut And Namur
|                 |        |                                    /-----Albert I Count Of Namur
|                 |        |                           /-----Albert II Count Of Namur
|                 |        |                          |         \-----Adelheid Of Lorraine
|                 |        |                  /-----Albert III Count Of Namur
|                 |        |                 |        |         /-----Gothelo I Duke Of Upper And Lower Lorraine
|                 |        |                 |         \-----Regilinde Of Lorraine
|                 |        |                 |                  \-----Ita
|                 |        |         /-----Godfrey Count Of Namur
|                 |        |        |        |                  /-----Bernard I Duke Of Saxony
|                 |        |        |        |         /-----Bernard II Duke Of Saxony
|                 |        |        |        |        |         \-----Hildegard Of Stade
|                 |        |        |         \-----Ida Of Saxony
|                 |        |        |                 |         /-----Henrich Margrave Of Schweinfurt
|                 |        |        |                  \-----Eilika Of Schweinfurt
|                 |        |        |                           \-----Gerberga Of Gleiberg
|                 |         \-----Alix De NAMUR
|                 |                 |                           /-----Frederick I Count Of Luxemburg
|                 |                 |                  /-----Giselbert Count Of Luxembourg
|                 |                 |                 |         \-----Ermentrude Of Kinziggau
|                 |                 |         /-----Conrad I Count Of Luxembourg
|                 |                  \-----Ermesinde
|                 |                          |                  /-----William III Count Of Poitou, Duke Of Aquitaine
|                 |                          |         /-----William V Peter Count Of Poitou, Duke Of Aquitaine
|                 |                          |        |         \-----Agnes Of Burgundy
|                 |                           \-----Clementia Of Poitou
|                 |                                    \-----Emisinde Of Longwy
|         /-----Baldwin IX Eastern Emperor
|        |        |                                             /-----Adalberto II De Metz, Count Of Metz
|        |        |                                    /-----Gerhard III Count Of Alsace
|        |        |                                   |         \-----Judith
|        |        |                           /-----Gerhard IV Count Of Alsatia, Duke Of Lorraine Mosel
|        |        |                          |         \-----Gisela
|        |        |                  /-----Thierry II Duke Of Lorraine
|        |        |                 |         \-----Hedwig
|        |        |         /-----Thierry Of Lorraine, Count Of Flanders
|        |        |        |        |                           /-----Baldwin IV The Bearded Count Of Flanders
|        |        |        |        |                  /-----Baldwin V Count Of Flanders
|        |        |        |        |                 |         \-----Ogive Of Luxembourg
|        |        |        |        |         /-----Robert Le FRISON, Count Of Flanders
|        |        |        |        |        |        |         /-----Robert II The Pious King Of France
|        |        |        |        |        |         \-----Adelaide Of France
|        |        |        |        |        |                  \-----Constance Of Provence
|        |        |        |         \-----Gertrude Of Flanders
|        |        |        |                 |                  /-----Bernard I Duke Of Saxony
|        |        |        |                 |         /-----Bernard II Duke Of Saxony
|        |        |        |                 |        |         \-----Hildegard Of Stade
|        |        |        |                  \-----Gertrude Of Saxony
|        |        |        |                          |         /-----Henrich Margrave Of Schweinfurt
|        |        |        |                           \-----Eilika Of Schweinfurt
|        |        |        |                                    \-----Gerberga Of Gleiberg
|        |         \-----Margarite Of Lorraine, Heiress Of Flanders
|        |                 |                                    /-----Hugo Of Perch
|        |                 |                           /-----Geoffrey Ferreol Count Of The Gatinais
|        |                 |                          |         \-----Beatrix Of Macon
|        |                 |                  /-----Fulk IV Rechin Count Of Anjou
|        |                 |                 |        |         /-----Fulk III The Black Count Of Anjou
|        |                 |                 |         \-----Ermengarde Of Anjou
|        |                 |                 |                  \-----Hildegarde Of Metz
|        |                 |         /-----Fulk V The Young Count Of Anjou, King Of Jerusalem
|        |                 |        |        |                  /-----Amauri III De MONTFORT
|        |                 |        |        |         /-----Simon I De MONTFORT, Seigneur Of Montfort L'Amau
|        |                 |        |        |        |         \-----Bertrade De GOMMETZ
|        |                 |        |         \-----Bertrade De MONTFORT
|        |                 |        |                 |         /-----Richard Count Of Evereux
|        |                 |        |                  \-----Agnes Of Evereux
|        |                 |        |                           \-----Godehildie
|        |                  \-----Sybil Of Anjou
|        |                          |                           /-----Lancellin I Sire De Baugency In Orleanais
|        |                          |                  /-----John De BAUGENCY, Seigneur De La Fleche
|        |                          |         /-----Helias Count Of Maine
|        |                          |        |        |         /-----Herbert Count Of Maine
|        |                          |        |         \-----Paula Of Maine
|        |                           \-----Erembourg Of Maine
|        |                                   |                  /-----Robert Seigneur De Chateau-Du-Loir
|        |                                   |         /-----Gervase Seigneur De Chateau-Du-Loir
|        |                                   |        |         \-----Elizabeth
|        |                                    \-----Matilda De Chateau-Du-Loir
|        |                                             \-----Aremburge
|        |                                                      \-----Mathilde
 \-----Margaret Of Flanders
         |                                                      /-----Eudes I Count Of Blois
         |                                             /-----Eudes II Count Of Blois
         |                                            |         \-----Bertha Of Burgandy
         |                                    /-----Theobald III Count Of Blois And Champagne
         |                                   |        |         /-----Robert I Count Of Auvergne
         |                                   |         \-----Ermengarde Of Auvergne
         |                                   |                  \-----Ermengarde
         |                           /-----Stephen Count Of Blois, Leader Of First Crusade
         |                          |        |                  /-----Hugh III Count Of Maine
         |                          |        |         /-----Herbert Count Of Maine
         |                          |         \-----Garsend Of Maine
         |                  /-----Theobald IV Count Of Blois
         |                 |        |                           /-----Richard II The Good Duke Of Normandy
         |                 |        |                  /-----Robert I The Devil Duke Of Normandy
         |                 |        |                 |         \-----Judith Of Brittany
         |                 |        |         /-----William The Conqueror King Of England
         |                 |        |        |        |         /-----Fulbert Of Falaise
         |                 |        |        |         \-----Herleve Of Falaise
         |                 |        |        |                  \-----Duxia
         |                 |         \-----Adela
         |                 |                 |                  /-----Baldwin IV The Bearded Count Of Flanders
         |                 |                 |         /-----Baldwin V Count Of Flanders
         |                 |                 |        |         \-----Ogive Of Luxembourg
         |                 |                  \-----Maud Of Flanders
         |                 |                          |         /-----Robert II The Pious King Of France
         |                 |                           \-----Adelaide Of France
         |                 |                                    \-----Constance Of Provence
         |         /-----Henry I Count Of Champagne
         |        |        |                                    /-----Eberhard Von Spondheim
         |        |        |                           /-----Siegfried Von Spondheim, Count Of Levanthal
         |        |        |                          |         \-----Hedwig
         |        |        |                  /-----Engelbert I Von Spondheim, Count In Lavanthal
         |        |        |                 |        |         /-----Engelbert IV Count In The Pusterthal
         |        |        |                 |         \-----Richardis
         |        |        |                 |                  \-----Liutgard
         |        |        |         /-----Engelbert II Duke Of Corinthia, Margrave Of Istria
         |        |        |        |        |         /-----Bernhard Von Flinsbach
         |        |        |        |         \-----Hedwig
         |        |        |        |                  \-----Alilia
         |        |         \-----Matilda Of Carinthia
         |        |                 |                           /-----Diepold I Count In The Augsgau
         |        |                 |                  /-----Ratpoto IV Count Of Vohburg
         |        |                 |                 |         \-----(Unk)
         |        |                 |         /-----Ulrich The Rich Count Of Passau
         |        |                 |        |        |         /-----Siegherd VII Count In Chimgau
         |        |                 |        |         \-----Mathilda Of Chimgau
         |        |                 |        |                  \-----Philhild
         |        |                  \-----Uta Of Passau
         |        |                          |                  /-----Henry Count In The Pegnitz
         |        |                          |         /-----Kuno Count Of Lechsgemund
         |        |                          |        |         \-----(Unk) WELFIN, Countess Of Altdorf
         |        |                           \-----Adelheid Countess Of Lechsgemund
         |        |                                   |         /-----Rudolf Count Of Achalm
         |        |                                    \-----Mathilde Of Achalm
         |        |                                             \-----Adelheid Of Wulflingen
          \-----Mary Of Champagne
                  |                                             /-----Robert II The Pious King Of France
                  |                                    /-----Henry I King Of France
                  |                                   |         \-----Constance Of Provence
                  |                           /-----Philip I King Of France
                  |                          |        |         /-----Jaroslav I Grand Prince Of Kiev
                  |                          |         \-----Anne Of Kiev
                  |                          |                  \-----Ingegard
                  |                  /-----Louis VI The Fat King Of France
                  |                 |        |                  /-----Thierri III Count Of Holland
                  |                 |        |         /-----Florent I Count Of Holland
                  |                 |        |        |         \-----Othilde Of Franconia
                  |                 |         \-----Bertha Of Holland
                  |                 |                 |         /-----Bernard II Duke Of Saxony
                  |                 |                  \-----Gertrude Of Saxony
                  |                 |                           \-----Eilika Of Schweinfurt
                  |         /-----Louis VII The Young King Of France
                  |        |        |                           /-----Otto Count Of Savoy, Marquess Of Turin
                  |        |        |                  /-----Amadeus II Count Of Savoy
                  |        |        |                 |         \-----Adelaide Markgrafin Of Susa
                  |        |        |         /-----Humbert II Count Of Maurienne And Savoy
                  |        |        |        |         \-----Adelaide
                  |        |         \-----Adelaide Of Savoy
                  |        |                 |                  /-----Raynald I Count Of Burgundy
                  |        |                 |         /-----William I The Great Count Of Burgundy
                  |        |                 |        |         \-----Alice Of Normandy
                  |        |                  \-----Gisele Of Burgundy
                  |        |                          |         /-----Berengar Raimond I Count Of Barcelona
                  |        |                           \-----Stephanie Of Barcelona
                  |        |                                    \-----Guisle Of Lluca
                   \-----Mary
                           |                                    /-----William III Count Of Poitou, Duke Of Aquitaine
                           |                           /-----William VI Geoffrey Count Of Poitou
                           |                          |         \-----Agnes Of Burgundy
                           |                  /-----William VII Count Of Poitou, IX Duke Of Aquitain
                           |                 |        |         /-----Robert The Old Duke Of Burgundy
                           |                 |         \-----Hildegarde Of Burgundy
                           |                 |                  \-----Ermengarde Of Anjou
                           |         /-----William VIII Count Of Poitou, Duke Of Aquitaine
                           |        |        |                  /-----Pons Count Of Toulouse
                           |        |        |         /-----William IV Count Of Toulouse
                           |        |        |        |         \-----Adelmode De La Marche
                           |        |         \-----Maud Of Toulouse
                           |        |                 |         /-----Robert De Mortain, Count Of Mortain In Avranchi
                           |        |                  \-----Emma De MORTAIN
                           |        |                           \-----Maud De Montgomery
                            \-----Eleanor Duchess Of Aquitaine
                                    |                           /-----Hugh De La ROCUEFOUCAUD, Vicount Of Chateller
                                    |                  /-----Boso II Vicount De Chastellerault
                                    |                 |         \-----Gergerga
                                    |         /-----Aimery I Vicount De Chatellerault
                                    |        |        |         /-----Aimery IV De THOUARS, Vicomte De Thouars
                                    |        |         \-----Eleanor De THOUARS
                                    |        |                  \-----Aurengarge De MAULEON
                                     \-----Eleanor De CHASTELLERAULT
                                             |                  /-----Archembaud Borel Sire De Isle-Bouchard
                                             |         /-----Barthelemy Sire De Isle Bouchard
                                             |        |         \-----Agnes
                                              \-----Dangerose
                                                       \-----Gerberga



Descendants of William III Sengneur De Courtrai
1. William III Sengneur De Courtrai m. Beatrix Of Brabant
m. Beatrix Of Brabant father: Henry II The Conqueror Duke Of Brabant mother: Marie Of Swabia