Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 09-28-2022.

Submitted and Maintained by Bill Marshall, bill.marshall@verizon.net.

Additions and corrections appreciated (especially with sources). My current list of sources is here. Homepage here.

Index of Medieval and Ancient Lines is here, notable people here, and Gedcom may be downloaded here.

Index of Modern Lines (immigrants to America and their descendants) is here, notable people here, and Gedcom here.

Individual Page

Person Info

Name: Isabelle Of Mercoeur
Sex: F
Death: After 1269 ^d
Burial: Abbey Of Val-Le-Roy ^u

Parents:

Father:
Beraud VI The Great Lord Of Mercoeur Death: 1294

Mother:

Beatrix Of Bourbon Death: After 1281

Family:
Marriage:

Jean III Count Of Roucy, Lord Of Pierrepont on Before 1260 .^m1
Jean III Count Of Roucy, Lord Of Pierrepont Death: 1282

Children:

Jean IV Count Of Roucy, Lord Of Pierpont Death: 1302 in Braine

Bibliography

Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. III.4 (#601-#820): Das Feudale Frankreich und sein Einfluss auf die Welt des Mittelalters. Marburg: Verlag von J. A. Stargardt, 1989. Information from this source tagged as [Ref: ES III.4 #[0-9]*].

Sources for birth and parent Information

parents:: [Ref: ES III.4 #680]

Sources for death Information

date:: nach 1269 [Ref: ES III.4 #680]

Sources for burial Information

place:: [Ref: ES III.4 #680]

Sources with Information about marriage to Jean III Count Of Roucy, Lord Of Pierrepont

date:: vor 1260 [Ref: ES III.4 #680],
child:: [Ref: ES III.4 #680]

Research Notes:

Pedigree of Isabelle Of Mercoeur
                                                                /-----Beraud II
                                                       /-----Erienne II
                                                      |         \-----Alix Of Burgundy
                                              /-----Etienne III Lord Of Mercoeur
                                     /-----Odilon
                            /-----Beraud III Lord Of Mercoeur
                   /-----Beraud IV Of Mercoeur
                  |        |                                    /-----William VI Count Of Auvergne
                  |        |                           /-----Robert II Count Of Auvergne
                  |        |                          |         \-----Philippa
                  |        |                  /-----Guillaume VI Count Of Auvergne
                  |        |                 |        |         /-----Raymond I Count Of Melgueil
                  |        |                 |         \-----Judith Of Melgueil
                  |        |                 |                  \-----Beatrix Of Poitou
                  |        |         /-----Guillaume VIII Count Of Auvergne
                  |        |        |        |         /-----Guillaume Of Evreux
                  |        |        |         \-----Emma Of Evreux
                  |        |        |                  \-----Hadwise Of Saint-Ceneri
                  |         \-----Judith Of Auvergne
                  |                 |                           /-----William I Count Of Nevers
                  |                 |                  /-----Renaud II Count Of Nevers And Auxerre
                  |                 |                 |         \-----Ermengarde Of Tonnerre
                  |                 |         /-----William II Count Of Nevers
                  |                 |        |        |         /-----Lanzelin II Seigneur De Baugency
                  |                 |        |         \-----Agnes De Baugency
                  |                 |        |                  \-----Alberga
                  |                  \-----Anne Of Nevers
                  |                           \-----Adele
          /-----Berand V Vicount Of Gevaudan
         |        |                                             /-----William VI Count Of Auvergne
         |        |                                    /-----Robert II Count Of Auvergne
         |        |                                   |         \-----Philippa
         |        |                           /-----Guillaume VI Count Of Auvergne
         |        |                          |        |         /-----Raymond I Count Of Melgueil
         |        |                          |         \-----Judith Of Melgueil
         |        |                          |                  \-----Beatrix Of Poitou
         |        |                  /-----Robert III Count Of Auvergne
         |        |                 |        |         /-----Guillaume Of Evreux
         |        |                 |         \-----Emma Of Evreux
         |        |                 |                  \-----Hadwise Of Saint-Ceneri
         |        |         /-----Guillaume VII Count Of Auvergne
         |         \-----Aesalide Dauphine Of Auvergne
         |                 |                                    /-----Guigues VII Count Of Grenoble And Albon
         |                 |                           /-----Guigues Count Of Albon
         |                 |                          |         \-----Adelais
         |                 |                  /-----Guigues VIII Count Of Grenoble And Albon
         |                 |                 |         \-----Petronille
         |                 |         /-----Guigues IX Dalphin Of Albon, Count Of Albon And Gre
         |                 |        |        |                  /-----Tancred Seigneur De Hauteville
         |                 |        |        |         /-----Roger I De Hauteville, Count Of Sicily
         |                 |        |        |        |         \-----Fredesina Of Normandy
         |                 |        |         \-----Matilda
         |                 |        |                 |         /-----Manfredo Markgraf Of Savona
         |                 |        |                  \-----Adeliade Of Savona
         |                  \-----Marquise Of Albon
         |                          |                           /-----Raynald I Count Of Burgundy
         |                          |                  /-----William I The Great Count Of Burgundy
         |                          |                 |         \-----Alice Of Normandy
         |                          |         /-----Stephen Of Burgundy, Count Of Vienne
         |                          |        |        |         /-----Berengar Raimond I Count Of Barcelona
         |                          |        |         \-----Stephanie Of Barcelona
         |                          |        |                  \-----Guisle Of Lluca
         |                           \-----Clemence Of Burgundy
         |                                   |         /-----Gerard
         |                                    \-----Beatrix
/-----Beraud VI The Great Lord Of Mercoeur
|         \-----Alix Of Chamalieres
Isabelle Of Mercoeur
|                                                               /-----Eudes Seigneur De Dampierre
|                                                      /-----Viter/Gauthier Seigneur De Dampierre
|                                                     |         \-----Sybilla
|                                             /-----Thibaud Seigneur De Dampierre
|                                            |         \-----Sybilla
|                                    /-----Gui I Seigneur De Dampierre, Vicomte Of Troyes
|                                   |        |                  /-----Guy Seigneur De Montchery And Bray
|                                   |        |         /-----Milan Le Gros Seigneur De Montchery
|                                   |        |        |         \-----Hodierna De La Ferte
|                                   |         \-----Isabel
|                                   |                 |         /-----William Count Of Eu
|                                   |                  \-----Lithwise Vicomtes De Troyes
|                                   |                           \-----Aelis
|                           /-----William Seigneur De Dampierre, Constable Of Cham
|                          |        |         /-----Andre Seigneur De Baudmont
|                          |         \-----Helvide Of Baudemont
|                          |                  \-----Agnes Heiress Of Braine
|                  /-----Guy II Seigneur De Dampierre
|                 |        |                                    /-----Gilbert II Seigneur De Mello
|                 |        |                           /-----Dreux II Seigneur De Mello
|                 |        |                          |         \-----Ermentrude
|                 |        |                  /-----Dreux III Seigneur De Morichy
|                 |        |                 |        |         /-----Hugh Count Of Clermont
|                 |        |                 |         \-----Rachilde
|                 |        |                 |                  \-----Margaret De Roucy
|                 |        |         /-----Dreux IV Seigneur De Morichy
|                 |        |        |        |                  /-----Ralph II De Warrene
|                 |        |        |        |         /-----William De Warrene, Earl Of Surrey
|                 |        |        |        |        |         \-----Emma
|                 |        |        |         \-----Edith De WARENNE
|                 |        |        |                 |         /-----Gherbod The Fleming, Advocate Of St. Bertins
|                 |        |        |                  \-----Gundred
|                 |         \-----Ermengarde
|                 |                 |         /-----Lancelin II Of Beauvais
|                 |                  \-----Basilie
|                 |                          |                  /-----Eudes Count Of Dammartin
|                 |                          |         /-----Hugh II Count Of Dammartin
|                 |                           \-----Adele De Bulles
|                 |                                   |         /-----Richard FITZ GILBERT De CLARE, Baron Of Clare
|                 |                                    \-----Rohais
|                 |                                             \-----Rohese GIFFARD
|         /-----Archambaud IX De DAMPIERRE, Seigneur De Bourbon
|        |        |                                             /-----Archambaud III Le Montet Sire De Bourbon
|        |        |                                    /-----Archambaud IV Le Fort Sire De Bourbon
|        |        |                                   |         \-----Biletrude
|        |        |                           /-----Aymon II Vaire-Vache Sire De Bourbon
|        |        |                          |         \-----Beliarde
|        |        |                  /-----Archambaud VII The Strong Seigneur De Bourbon
|        |        |                 |        |                  /-----William I Count Of Nevers
|        |        |                 |        |         /-----William Count Of Tonnerre
|        |        |                 |        |        |         \-----Ermengarde Of Tonnerre
|        |        |                 |         \-----Aldesinde Of Nevers
|        |        |         /-----Archambaud VIII The Young Seigneur De Bourbon
|        |        |        |        |                           /-----Otto Count Of Savoy, Marquess Of Turin
|        |        |        |        |                  /-----Amadeus II Count Of Savoy
|        |        |        |        |                 |         \-----Adelaide Markgrafin Of Susa
|        |        |        |        |         /-----Humbert II Count Of Maurienne And Savoy
|        |        |        |        |        |         \-----Adelaide
|        |        |        |         \-----Agnes 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
|        |         \-----Matilda De BOURBON, Dame De Bourbon
|        |                 |                                    /-----Henry Of Burgundy
|        |                 |                           /-----Eudes I Borrel Duke Of Burgundy
|        |                 |                          |         \-----(Unk) Of Barcelona
|        |                 |                  /-----Hugh II Duke Of Burgundy
|        |                 |                 |        |         /-----William I The Great Count Of Burgundy
|        |                 |                 |         \-----Matilda (Sibylle) Of Burgundy
|        |                 |                 |                  \-----Stephanie Of Barcelona
|        |                 |         /-----Eudes II Duke Of Burgundy
|        |                 |        |        |                  /-----Geoffrey I Baron Of Mayenne, Count Of Maine
|        |                 |        |        |         /-----Gautier Lord Of Mayenne
|        |                 |        |        |        |         \-----Mahaut Of Alluye
|        |                 |        |         \-----Mechtild Of Mayenne
|        |                 |        |                 |         /-----Turstain De Presles
|        |                 |        |                  \-----Adeline/Alix
|        |                  \-----Alice Of Burgundy
|        |                          |                           /-----Theobald III Count Of Blois And Champagne
|        |                          |                  /-----Stephen Count Of Blois, Leader Of First Crusade
|        |                          |                 |         \-----Garsend Of Maine
|        |                          |         /-----Theobald IV Count Of Blois
|        |                          |        |        |         /-----William The Conqueror King Of England
|        |                          |        |         \-----Adela
|        |                          |        |                  \-----Maud Of Flanders
|        |                           \-----Mary Of Blois
|        |                                   |                  /-----Engelbert I Von Spondheim, Count In Lavanthal
|        |                                   |         /-----Engelbert II Duke Of Corinthia, Margrave Of Istria
|        |                                   |        |         \-----Hedwig
|        |                                    \-----Matilda Of Carinthia
|        |                                            |         /-----Ulrich The Rich Count Of Passau
|        |                                             \-----Uta Of Passau
|        |                                                      \-----Adelheid Countess Of Lechsgemund
\-----Beatrix Of Bourbon
         |                                    /-----Archembaud I Seigneur De St. Geran
         |                           /-----William I Seigneur De St. Geran
         |                  /-----William II Seigneur De St. Geran And Montlucon
         |         /-----Archambaud Seigneur De Montlucon
          \-----Beatrix De MONTHUCON

Descendants of Isabelle Of Mercoeur

1. Isabelle Of Mercoeur m. Jean III Count Of Roucy, Lord Of Pierrepont

m. Jean III Count Of Roucy, Lord Of Pierrepont father: Jean II Count Of Roucy, Lord Of Pierrepont mother: Marie Of Dammartin

2+ Jean IV Count Of Roucy, Lord Of Pierpont m. Jeanne Of Dreux

2nd generation

2. Jean IV Count Of Roucy, Lord Of Pierpont m. Jeanne Of Dreux

m. Jeanne Of Dreux father: Robert IV Count Of Dreux mother: Beatrix Of Montfort

3+ Marie Of Roucy m. Jean II Of Chateauvillain, Lord Of Arc

4+ Beatrix De Roucy m. Amaury III Of Craon, Sire De Craon And Sable

3rd generation

3. Marie Of Roucy m. Jean II Of Chateauvillain, Lord Of Arc

m. Jean II Of Chateauvillain, Lord Of Arc father: Simon II Of Chateauvillain, Lord Of Bremur mother: Marie Of Flanders

5+ Jean III Of Chateaivillain, Lord Of Pleure m. Marguerite Of Noyers

4. Beatrix De Roucy m. Amaury III Of Craon, Sire De Craon And Sable

m. Amaury III Of Craon, Sire De Craon And Sable father: Maurice Of Craon, Sire De Craon And Sable mother: Mathilde Of Mecheln

6+ Beatrix Of Craon m1. Jean-Eon Of Roche-Bernard m2. Jean LeArcheveque, Sire of Parthenay

7 Pierre Of Craon, Sire De Suze m.

8+ Guillaume De CRAON, Vicount Of Chateaudun m. Marguerite Of Flanders, Vicountess Of Chateaudun

4th generation

5. Jean III Of Chateaivillain, Lord Of Pleure m. Marguerite Of Noyers

m. Marguerite Of Noyers father: Miles X Lord Of Noyers mother: Jeanne Of Dampierre

9 Jeanne Dame Of Chateauvillain m. Jean I Lord Of Thil; Jean I Lord Of Thil father: Guillaume Lord Of Thil mother: (Unk) Of La Roche-Nolay

6. Beatrix Of Craon m1. Jean-Eon Of Roche-Bernard m2. Jean LeArcheveque, Sire of Parthenay

m. Jean-Eon Of Roche-Bernard

10+ Isabeau Of Lobeac, Dame De Roche-Bernard m. Raoul VII Of Montfort

m. Jean LeArcheveque, Sire of Parthenay

8. Guillaume De CRAON, Vicount Of Chateaudun m. Marguerite Of Flanders, Vicountess Of Chateaudun

m. Marguerite Of Flanders, Vicountess Of Chateaudun father: William Of Flanders, Vicount Of Chateaudun mother: Marie Of Vianden

11+ Pierre De CRAON, Sn De La Ferte-Bernard m. Jeanne De Chatillon

5th generation

10. Isabeau Of Lobeac, Dame De Roche-Bernard m. Raoul VII Of Montfort

m. Raoul VII Of Montfort father: Raoul VII Of Montfort mother: Alienor De Ancienis

12+ Raoul VIII Lord Of Montfort-La-Cane m. Jeanne Of Kergorlay

11. Pierre De CRAON, Sn De La Ferte-Bernard m. Jeanne De Chatillon

m. Jeanne De Chatillon father: Sir Gaucher De Chatillon, Lord Of Rozoy mother: Marie De Coucy

13+ Jeanne De CRAON m1. Ingerger De AMBOISE, Sn De La Rochecorbon m2. Pierre De Beauvau, Sire De La Roche-Sur-Yon