Genealogy of the Marshall Family,
including Medieval and Ancient Lines

Updated: 01-20-2025.

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 available to be downloaded.

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

Individual Page

Person Info

Name: Beatrix Of Rethel
Sex: F
Birth: Abt 1130 ^b
Death: 30 Mar 1185 ^d

Parents:

Father:
Gonthier/Itier Count Of Rethel Death: 1171

Mother:

Beatrix Of Namur Death: 1160

Family:
Marriage:

Roger III King Of Sicily on 1151 .^m1
Roger III King Of Sicily Birth: 22 Dec 1095 Death: 26 Feb 1154 in Palermo

Children:

Tancred Prince Of Bari
Alphonso Duke Of Naples Death: 1144
Constance Of Sicily Birth: 2 Nov 1154 Death: 28 Nov 1198 in Palermo

Bibliography

Previte-Orton, C. W., The Shorter Cambridge Medieval History, Cambridge: University Press, 1952. Reprinted with corrections 1960. Available at (part 1) http://archive.org/details/in.ernet.dli.2015.149173 and (part 2) http://archive.org/details/in.ernet.dli.2015.149602. Information from this source tagged as [Ref: CMH p[0-9]*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. II: Die Ausserdeutschen Staaten Die Regierenden Hauser der Ubrigen Staaten Europas. Marburg: Verlag von J. A. Stargardt, 1984. Information from this source tagged as [Ref: ES II #[0-9]*].
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]*].
Watney, Vernon James, The Wallop Family and their Ancestry, Oxford:John Johnson, 1928. LDS Film#1696491 items 6-9. NYPL ARZ+ (Wallop) (Watney, V. J. Wallop family). Available at https://familysearch.org/search/catalog/213421. Information from this source tagged as [Ref: Watney WALLOP #[0-9]*].

Sources for birth and parent Information

date:: 1130/32 [Ref: ES II #206, ES III.4 #626],
parents:: [Ref: ES II #206, ES III.4 #626]

Sources for death Information

date:: [Ref: ES II #206, ES III.4 #626]

Sources with Information about marriage to Roger III King Of Sicily

date:: [Ref: ES II #206, ES III.4 #626]; third marriage of Roger [Ref: CMH p510],
child:: [Ref: CMH p510, ES II #206 (with corr in III.3), Watney WALLOP #897]

Research Notes:

Pedigree of Beatrix Of Rethel
          /-----Eudes Count Of Rethel
/-----Gonthier/Itier Count Of Rethel
|        |                                    /-----Manasses I Count Of Rethel
|        |                           /-----Manasses II Count Of Rethel
|        |                  /-----Manasses III Count Of Rethel
|        |                 |        |                           /-----Rogenvald
|        |                 |        |                  /-----Renaud Count Of Rheims And Roucy
|        |                 |        |         /-----Giselbert Count Of Roucy
|        |                 |        |        |        |         /-----Giselbert Duke Of Lorraine
|        |                 |        |        |         \-----Alberade Of Lorraine
|        |                 |        |        |                  \-----Gerberga Of Saxony
|        |                 |         \-----Judith Of Roucy
|        |                 |                 |                  /-----Lutaud Count Of Macon
|        |                 |                 |         /-----Aubri Count Of Macon
|        |                 |                 |        |         \-----Ermengarde Of Chalon
|        |                 |                  \-----(Unk Dau)
|        |                 |                          |         /-----Renaud Count Of Rheims And Roucy
|        |                 |                           \-----Ermentrude Of Roucy
|        |                 |                                    \-----Alberade Of Lorraine
|        |         /-----Hugh I Count Of Rethel
|        |        |        |                           /-----Rogenvald
|        |        |        |                  /-----Renaud Count Of Rheims And Roucy
|        |        |        |         /-----Giselbert Count Of Roucy
|        |        |        |        |        |                  /-----Regnier I Count Of Hainaut
|        |        |        |        |        |         /-----Giselbert Duke Of Lorraine
|        |        |        |        |        |        |         \-----Alberade Of Mons
|        |        |        |        |         \-----Alberade Of Lorraine
|        |        |        |        |                 |         /-----Henry I The Fowler King Of The Saxons
|        |        |        |        |                  \-----Gerberga Of Saxony
|        |        |        |        |                           \-----Mechtilde Of Westfalen
|        |        |         \-----Yevette
|        |        |                 |                           /-----Aubri Vicount Of Narbonne
|        |        |                 |                  /-----Lutaud Count Of Macon
|        |        |                 |                 |         \-----Attela Of Macon
|        |        |                 |         /-----Aubri Count Of Macon
|        |        |                 |        |        |         /-----Manasses I Count Of Vergy, Duxin, And Chalons
|        |        |                 |        |         \-----Ermengarde Of Chalon
|        |        |                 |        |                  \-----Ermengarde
|        |        |                  \-----(Unk Dau)
|        |        |                          |                  /-----Rogenvald
|        |        |                          |         /-----Renaud Count Of Rheims And Roucy
|        |        |                           \-----Ermentrude Of Roucy
|        |        |                                   |         /-----Giselbert Duke Of Lorraine
|        |        |                                    \-----Alberade Of Lorraine
|        |        |                                             \-----Gerberga Of Saxony
|         \-----Mathilda Countess Of Rethel
|                 |                  /-----Milon I Seigneur De La Ferte
|                 |         /-----Guy Seigneur De Montchery And Bray
|                 |        |        |                           /-----Ansoud I Le Riche Vicomte De Auxerer
|                 |        |        |                  /-----Ansoud Le Riche Of Paris
|                 |        |        |                 |         \-----Raingarde
|                 |        |        |         /-----Thibaud Seigneur Of Montchery And Cheverouse
|                 |        |        |        |         \-----Reitrude
|                 |        |         \-----(Unk Dau)
|                  \-----Malisinde
|                          |         /-----William Lord Of Burea
|                           \-----Hodierna De La Ferte
Beatrix Of Rethel
|                                                      /-----Berenger Count Of Namur
|                                             /-----Robert I Count Of Namur
|                                            |        |         /-----Regnier I Count Of Hainaut
|                                            |         \-----Symphonia
|                                            |                  \-----Alberade Of Mons
|                                    /-----Albert I Count Of Namur
|                                   |        |                  /-----Charles Duke Of Lower Lorraine
|                                   |        |         /-----Otto Duke Of Lorraine
|                                   |        |        |         \-----Adelheid Of Ardennes
|                                   |         \-----Ermengarde Of Lorraine
|                           /-----Albert II Count Of Namur
|                          |        |                           /-----Charles III The Simple King Of Franks
|                          |        |                  /-----Louis IV D'OUTRE-MER, King Of Franks
|                          |        |                 |         \-----Edgiva
|                          |        |         /-----Charles Duke Of Lower Lorraine
|                          |        |        |        |         /-----Henry I The Fowler King Of The Saxons
|                          |        |        |         \-----Gerberga Of Saxony
|                          |        |        |                  \-----Mechtilde Of Westfalen
|                          |         \-----Adelheid Of Lorraine
|                          |                  \-----Adelheid Of Ardennes
|                  /-----Albert III Count Of Namur
|                 |        |                                    /-----Wigeric Count in Bidgau
|                 |        |                           /-----Gonzelon Count In Bidgau
|                 |        |                          |         \-----Cunegunde
|                 |        |                  /-----Godfrey Count Of Verdun
|                 |        |                 |        |         /-----Gerhard Count In Metzgau
|                 |        |                 |         \-----Oda Of Metz
|                 |        |                 |                  \-----Udo Of Saxony
|                 |        |         /-----Gothelo I Duke Of Upper And Lower Lorraine
|                 |        |        |        |                  /-----Billung Count In Saxony
|                 |        |        |        |         /-----Hermann Billung Duke Of Saxony
|                 |        |        |        |        |         \-----Fraderuna
|                 |        |        |         \-----Matilda Of Saxony
|                 |        |        |                  \-----Hildegarde Of Westerbourg
|                 |         \-----Regilinde Of Lorraine
|                 |                 |                           /-----Udo Count In The Wetterau
|                 |                 |                  /-----Conrad I Duke Of Swabia
|                 |                 |                 |         \-----Cunegundis Of Vermandois
|                 |                 |         /-----Conrad III Of Swabia, Count Of Ortenau
|                 |                 |        |        |         /-----Adalbert Count Of Marchtal
|                 |                 |        |         \-----Judith Of Marchtal
|                 |                 |        |                  \-----(Unk Dau)
|                 |                  \-----Ita
|                 |                          |                  /-----Godfrey Count Of Verdun
|                 |                          |         /-----Frederick Count Of Verdon
|                 |                          |        |         \-----Matilda Of Saxony
|                 |                           \-----Beatrix
|         /-----Godfrey Count Of Namur
|        |        |                                    /-----Billung Count In Saxony
|        |        |                           /-----Hermann Billung Duke Of Saxony
|        |        |                          |         \-----Fraderuna
|        |        |                  /-----Bernard I Duke Of Saxony
|        |        |                 |         \-----Hildegarde Of Westerbourg
|        |        |         /-----Bernard II Duke Of Saxony
|        |        |        |        |                           /-----Lothar I Count Of Stade
|        |        |        |        |                  /-----Liuthar Count Of Stade
|        |        |        |        |                 |         \-----Oda Of Saxony
|        |        |        |        |         /-----Henry Count Of Stade
|        |        |        |        |        |         \-----Swanhilde
|        |        |        |         \-----Hildegard Of Stade
|        |        |        |                  \-----Hildegard
|        |         \-----Ida Of Saxony
|        |                 |                                    /-----Liutpold Margrave Of The Carinthian Mark
|        |                 |                           /-----Arnulf I The Bad Duke Of Bavaria
|        |                 |                          |         \-----Kuningunde
|        |                 |                  /-----Berthold I Margrave Of The Bavarian Nordgaus
|        |                 |                 |        |         /-----Eberhard Count In The Salichgau
|        |                 |                 |         \-----Judith
|        |                 |         /-----Henrich Margrave Of Schweinfurt
|        |                 |        |        |                  /-----Lothar I Count Von Walbeck
|        |                 |        |        |         /-----Lothar II Count Of Walbeck
|        |                 |        |         \-----Eiliswintha Countess Of Walbeck
|        |                 |        |                 |         /-----Bruno Count Of Arnesburg
|        |                 |        |                  \-----Mathilda Of Arnsburg
|        |                 |        |                           \-----Frederuna
|        |                  \-----Eilika Of Schweinfurt
|        |                          |                           /-----Gebhard Duke Of Lorraine
|        |                          |                  /-----Udo Count In The Wetterau
|        |                          |                 |         \-----Ita
|        |                          |         /-----Herbert I Count In The Kinziggau
|        |                          |        |        |         /-----Herbert I Count Of Vermandois
|        |                          |        |         \-----Cunegundis Of Vermandois
|        |                          |        |                  \-----Beatrice Of Morvois
|        |                           \-----Gerberga Of Gleiberg
|        |                                   |                  /-----Eberhard II Count In Bonngau
|        |                                   |         /-----Megingoz Count Of The Avalgau
|        |                                   |        |         \-----Gisela
|        |                                    \-----Irmentrude
|        |                                            |         /-----Godfrey Duke Of Lorraine, Count Palatine
|        |                                             \-----Gerberga
|        |                                                      \-----Ermentrude Of France
\-----Beatrix Of Namur
         |                                                      /-----(Unk)
         |                                             /-----Wigeric Count in Bidgau
         |                                    /-----Siegfried Count Of Luxemburg
         |                                   |         \-----Cunegunde
         |                                   |                  \-----Ermentrude Of France
         |                           /-----Frederick I Count Of Luxemburg
         |                          |        |                  /-----Hugh I Count In Abracian Nordgau
         |                          |        |         /-----Ebergard Count In The Nordgau, Count Of Alsace
         |                          |        |        |         \-----Hildegarde
         |                          |         \-----Hedwig Of Nordgau
         |                          |                  \-----Bertha
         |                  /-----Giselbert Count Of Luxembourg
         |                 |        |                           /-----Gebhard Duke Of Lorraine
         |                 |        |                  /-----Udo Count In The Wetterau
         |                 |        |                 |         \-----Ita
         |                 |        |         /-----Herbert I Count In The Kinziggau
         |                 |        |        |        |         /-----Herbert I Count Of Vermandois
         |                 |        |        |         \-----Cunegundis Of Vermandois
         |                 |        |        |                  \-----Beatrice Of Morvois
         |                 |         \-----Ermentrude Of Kinziggau
         |                 |                 |                  /-----Eberhard II Count In Bonngau
         |                 |                 |         /-----Megingoz Count Of The Avalgau
         |                 |                 |        |         \-----Gisela
         |                 |                  \-----Irmentrude
         |                 |                          |         /-----Godfrey Duke Of Lorraine, Count Palatine
         |                 |                           \-----Gerberga
         |                 |                                    \-----Ermentrude Of France
         |         /-----Conrad I Count Of Luxembourg
          \-----Ermesinde
                  |                                             /-----Ebles Mancer Count Of Poitou, Duke Of Aquitaine
                  |                                    /-----William I Count Of Poitou, Duke Of Aquitaine
                  |                                   |         \-----Emliane
                  |                           /-----William II Fierabras Count Of Poitou, Duke Of Aquitaine
                  |                          |        |         /-----Hrolfr (Rollo) Duke Of Normandy
                  |                          |         \-----Gerloc Of Normandy
                  |                          |                  \-----Poppa
                  |                  /-----William III Count Of Poitou, Duke Of Aquitaine
                  |                 |        |                  /-----Theobald Viscount Of Troyes
                  |                 |        |         /-----Theobald I Le Tricheur Count Of Blois
                  |                 |        |        |         \-----Richilde Of Bourges
                  |                 |         \-----Emma Of Blois
                  |                 |                 |         /-----Herbert II Count Of Vermandois
                  |                 |                  \-----Luitgarde De Vermandois
                  |                 |                           \-----Hildebrante/Liegarde/Adela
                  |         /-----William V Peter Count Of Poitou, Duke Of Aquitaine
                  |        |        |                           /-----Berengar II King Of Italy
                  |        |        |                  /-----Adalbert Marquess Of Ivrea
                  |        |        |                 |         \-----Willa Of Aries
                  |        |        |         /-----Otto William Count Of Burgundy, Nevers, And Dijon
                  |        |        |        |        |         /-----Lambert Count Of Chalons, Viconte Of Dijon
                  |        |        |        |         \-----Gerberga
                  |        |         \-----Agnes Of Burgundy
                  |        |                 |                  /-----Rogenvald
                  |        |                 |         /-----Renaud Count Of Rheims And Roucy
                  |        |                  \-----Ermentrude Of Roucy
                  |        |                          |         /-----Giselbert Duke Of Lorraine
                  |        |                           \-----Alberade Of Lorraine
                  |        |                                    \-----Gerberga Of Saxony
                   \-----Clementia Of Poitou
                            \-----Emisinde Of Longwy

Descendants of Beatrix Of Rethel

1. Beatrix Of Rethel m. Roger III King Of Sicily

m. Roger III King Of Sicily father: Roger I De Hauteville, Count Of Sicily mother: Adeliade Of Savona

2 Tancred Prince Of Bari

3 Alphonso Duke Of Naples

4+ Constance Of Sicily m. Henry VI King Of Sicily

2nd generation

4. Constance Of Sicily m. Henry VI King Of Sicily

m. Henry VI King Of Sicily father: Frederick III Barbarossa Duke Of Swabia, Emperor mother: Beatrix Of Macon, Countess Of Burgundy

5+ Frederick II Duke Of Swabia, King Of Sicily, Emperor m1. Constance Of Aragon m2. Yolante De BRIENNE m3. Blanca LANCIA m4. Isabella PLANTAGENET m5. (Unk) Of Sicily m6. Adelheid m7. m8. Mathilde Of Antioch

3rd generation

5. Frederick II Duke Of Swabia, King Of Sicily, Emperor m1. Constance Of Aragon m2. Yolante De BRIENNE m3. Blanca LANCIA m4. Isabella PLANTAGENET m5. (Unk) Of Sicily m6. Adelheid m7. m8. Mathilde Of Antioch

m. Constance Of Aragon father: Alfonso II King Of Aragon mother: Sancha Of Castile

6+ Henry VII King Of Sicily m. Margaret Of Austria

m. Yolante De BRIENNE father: Jean De BRIENNE, King Of Jerusalem mother: Mary De MONTFERRAT

8+ Konrad IV Duke Of Swabia m1. (Unk) m2. Elizabeth Von WITTLESBACH

m. Blanca LANCIA father: Manfredo Lancia Marquis of Busca, Count of Loreto mother: Blanca LANCIA

9 Constanza/Anna m. Ioannes III DOUKAS, Emperor; Ioannes III DOUKAS, Emperor father: Basileios BATATZES mother: (Unk Dau) Angelina

10+ Manfred King Of Sicily m1. m2. Beatrice Of Savoy m3. Helene DOUKAINA

11 Violanta m. Riccardo Count Of Caserta

m. Isabella PLANTAGENET father: John Lackland PLANTAGENET, King Of England mother: Isabel Of Angouleme

15+ Margaret Of Swabia m. Albert The Degenerate Landgrave Of Thuringia, Margrave Of Meis

m. (Unk) Of Sicily

16 Friedrich Of Pettorano

17+ Enzio King Of Sardinia m1. Adelasia Of Lacon-Gunale m2. (Unk) Of Enn m3. Frasca m4.

18 Caterina De Marano m. Jacopo Of Caretto

19 Salvaggia m. Ezzelino Of Romano

20 Riccardo Count Of Chieti

21 Blanchefleur

22 Margherita Of Suevia m. Tommaso Of Aquino, Count Of Acerra

m. Mathilde Of Antioch

24+ Friedrich Of Antioch m. Margherita Of Poli

4th generation

6. Henry VII King Of Sicily m. Margaret Of Austria

m. Margaret Of Austria father: Leopold VI Duke Of Styria And Austria mother: Theodora ANGELINA

8. Konrad IV Duke Of Swabia m1. (Unk) m2. Elizabeth Von WITTLESBACH

m. Elizabeth Von WITTLESBACH father: Otto II Von Wittelsbach, Duke Of Bavaria mother: Agnes Of Celle

28 Konrad Duke Of Swabia

10. Manfred King Of Sicily m1. m2. Beatrice Of Savoy m3. Helene DOUKAINA

29 Beatrice m. Ranieri Della Gherardesca Count Of Donoratico

m. Beatrice Of Savoy father: Amadeus IV Count Of Savoy, Marquess Of Turin mother: Anna Of Burgundy

30+ Constance Of Sicily m. Peter III King Of Aragon And Sicily

m. Helene DOUKAINA father: Michael Doukas Komnenos, Despotes mother: Saint Theodora DOUKAINA

35+ Beatrix Of Sicily m. Manfred IV Margrave Of Saluzzo

15. Margaret Of Swabia m. Albert The Degenerate Landgrave Of Thuringia, Margrave Of Meis

m. Albert The Degenerate Landgrave Of Thuringia, Margrave Of Meis father: Henry The Illustrious Margrave Of Meissen, Landgrave Of Thurin mother: Constance Of Austria

36+ Frederick The Bold Margrave Of Meissen, Landgrave Of Thurin m1. Agnes Of Carinthia m2. Elizabeth Countess Of Lobdburg-Arnshaugk

37 Dietrich Landgrave Of Thuringia m. Jutta Of Henneberg

38+ Agnes Of Meissen m. Henry I The Wonderful Duke Of Braunschweig

39 Heinrich of Thuringia

40 Margaretha of Meissen

17. Enzio King Of Sardinia m1. Adelasia Of Lacon-Gunale m2. (Unk) Of Enn m3. Frasca m4.

m. Adelasia Of Lacon-Gunale father: Mariano II Of Torres mother: Agnese Of Lacon-Massa

m. (Unk) Of Enn father: Heinry III Podesta Of Verona

41 Adelheid m. Reinald Of Urelingen

42 Elena m. Guelfo Della Gherardesca Count Of Donoratico

24. Friedrich Of Antioch m. Margherita Of Poli

m. Margherita Of Poli father: Giovanni Of Poli, Senator Of Rome

46+ Corrado Of Antioch, Count Of Loreto m. Beatrice Lancia

47 Filippa m. Manfredo II Ms Maletta

5th generation

30. Constance Of Sicily m. Peter III King Of Aragon And Sicily

m. Peter III King Of Aragon And Sicily father: James I The Conqueror King Of Aragon mother: Iolande Of Hungary

48 Alfonso III King Of Aragon m. Eleanor PLANTAGENET; Eleanor PLANTAGENET father: Edward I King Of England mother: Eleanor Of Castile

49+ James II King Of Sicily And Aragon m1. Isabella Of Castile m2. Blanche Of Naples m3. Mary Of Cypres m4. Elisenda Of Moncada

50+ Elizabeth Of Aragon m. Diniz King Of Portugal

51+ Frederick II King Of Sicily m. Eleanor Of Naples

52+ Yolante Of Aragon m. Robert King Of Naples, Count Of Provence

35. Beatrix Of Sicily m. Manfred IV Margrave Of Saluzzo

m. Manfred IV Margrave Of Saluzzo father: Thomas I Margrave Of Saluzzo mother: Luisa Of Ceva

53 Frederico I Marquis Of Saluzzo

36. Frederick The Bold Margrave Of Meissen, Landgrave Of Thurin m1. Agnes Of Carinthia m2. Elizabeth Countess Of Lobdburg-Arnshaugk

m. Agnes Of Carinthia father: Meinhard IV Duke Of Carinthia, Count Of Gorz And Tyr mother: Elizabeth Von WITTLESBACH

54 Frederick The Crooked Of Thuringia m. Anna Of Wittenburg; Anna Of Wittenburg father: Albert II Duke Of Saxe-Wittenburg mother: Agnes Of Hapsburg

m. Elizabeth Countess Of Lobdburg-Arnshaugk father: Hartmann XI Von Lobdaburg, Count Of Arnshauek mother: Elizabeth Of Orlamunda

55+ Elizabeth Of Meissen m. Henry II Landgraf Of Hesse

56+ Friedrich II Markgraf Of Meissen m. Mechtild Of Bavaria

38. Agnes Of Meissen m. Henry I The Wonderful Duke Of Braunschweig

m. Henry I The Wonderful Duke Of Braunschweig father: Albrecht I The Great Duke Of Brunswick-Luenenburg mother: Alessina Of Montferrat

57 John Of Braunschweig, Provost Of Eymbach

58 Elizabeth Of Brunswick m. Frederick Count Of Beichlingen

59 Otto Of Braunschweig

60 Albrecht Of Braunschweig

61 Adelheid Of Brunswick m. Henry VI Duke Of Carinthia

62 Facie Of Brunswick

63 Agnes Of Brunswick, Abbess Of Osterode

64+ Henry II The Grecian Duke Of Braunschweig m1. Jutta Of Brandenburg m2. Heloise Of Ibelin

65 Frederick Of Braunschweig

66 Irene Of Brunswick m. Andronicus III Paleologus, Emperor Of Constantinople

67 Conrad Of Braunschweig

68+ Mechtild Of Braunschweig m. Johann II Prince Of Werl

69+ Ernst Count Of Osterode m. Adelheld Of Everstein

70 William Duke Of Brunswick-Herzberg

71 Richardis Of Brunswick

72 Margaret Of Brunswick

46. Corrado Of Antioch, Count Of Loreto m. Beatrice Lancia

m. Beatrice Lancia

73+ Federico m.

74 Bartolomeo Archbishop Of Palermo

75 Francesco Archbishop Of Palermo

76 Constanza Detta Antiochette m. Bartolomeo Della Scala

77 Imperatrice m. Federico Della Scala Sn Of Valpolicella

78 Giovanna m. Cangrande I Della Scala Lord Of Verona