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: Johann I Count Of Oldenburg In Oldenburg And Delm
Sex: M
Death: After 1270 ^d

Parents:

Father:
Christian II Count Of Oldenburg Death: 1233

Mother:

Agnes Of Altena

Family:
Marriage:

Richza Of Hoya .^m1
Richza Of Hoya Death: After 19 Jun 1264

Children:

Christian III Count Of Oldenburg Death: Before 3 Feb 1287 in Bremen
Otto II Count Of Oldenburg In Delmenhorst Death: 2 Feb 1304
Hedwig Of Oldenburg
Henry Of Oldenburg Death: After 1272
Moritz Of Oldenburg, Canon At Bremen Death: After 1337

Bibliography

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]*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XVII: Hessen und das Stammesherzogtum Sachsen. Frankfurt am Main: Vittorio Klostermann, 1998. Information from this source tagged as [Ref: ES XVII #[0-9]*].
Paget, Gerald, The Lineage and Ancestry of H.R.H. Prince Charles, Prince of Wales. London: Charles Skilton Ltd, 1977. Nypl ARF+ 78-835. Information from this source tagged as [Ref: Paget HRHCharles p[0-9]*].

Sources for birth and parent Information

parents:: [Ref: ES I #83]

Sources for death Information

date:: 1270 [Ref: ES I #83]; before 1272 [Ref: Paget HRHCharles p315]; occ 1270 [Ref: ES XVII #132]

Sources with Information about marriage to Richza Of Hoya

names:: [Ref: ES XVII #132],
child:: [Ref: ES I #83, Paget HRHCharles p314]

Research Notes:
Count of Oldenburg [Ref: ES XVII #132]
Count of Oldenburg in Oldenburg and Delmenhorst [Ref: ES I #83, Paget HRHCharles p314]

Pedigree of Johann I Count Of Oldenburg In Oldenburg And Delm
                                     /-----Egilmar I Count In Lerigau
                            /-----Egilmar II Count Of Oldenburg
                           |        |         /-----Dedo Count Of Dithmarschen
                           |         \-----Richeza Of Dithmarschen
                           |                  \-----Ida Von Elsthorpe
                   /-----Christian I Count Of Oldenburg
                  |        |                                    /-----Hermann II Count Of Werl
                  |        |                           /-----Bernhard Count Of Werl-Arnsberg
                  |        |                  /-----Konrad Count Of Werl-Arnsberg
                  |        |         /-----Heinrich Count Of Reitberg
                  |        |        |        |                  /-----Benne Von Northeim, Count In The Rittegau
                  |        |        |        |         /-----Otto I Count Of Northeim, Duke Of Bavaria
                  |        |        |        |        |         \-----Eilika Of Schweinfurt
                  |        |        |         \-----Mathilda Of Northeim
                  |        |        |                 |         /-----Otto Count Of Sundgau
                  |        |        |                  \-----Richeza
                  |         \-----Silika Of Rietberg
                  |                 |                           /-----Hugo Count In Creginecka
                  |                 |                  /-----Heinrich Count Of Hildrizhausen
                  |                 |         /-----Heinrich Markgraf Of Nordgau
                  |                  \-----Beatrix Of Hildrezhausen
                  |                          |                  /-----Henrich Margrave Of Schweinfurt
                  |                          |         /-----Otto III Count Of Schweinfurt, Duke Of Swabia
                  |                          |        |         \-----Gerberga Of Gleiberg
                  |                           \-----Beatrix Von Schweinfurt
                  |                                   |         /-----Ulric Manfred II Marquess Of Turin
                  |                                    \-----Ermengarde Markgrafin Of Susa
                  |                                             \-----Bertha
          /-----Moritz Count Of Oldenburg
         |        |         /-----Burchard Von Loccum
         |         \-----Kunigunde
/-----Christian II Count Of Oldenburg
|        |         /-----Otto Count Of Wickerode
|         \-----Salomea Of Wickerode
|                  \-----Adelheid
Johann I Count Of Oldenburg In Oldenburg And Delm
|                                                               /-----Adolf I Advocate Of Deutz
|                                                      /-----Adolf II
|                                             /-----Adolf Count Of Berg
|                                    /-----Adolf I Count Of Berg
|                           /-----Adolf II Count Of Berg
|                          |        |                  /-----Boppo Count Of Lobdengau
|                          |        |         /-----Henry Count Of Laufen
|                          |         \-----Adelaide Von Laufen
|                          |                 |                  /-----Herman Count Of Werl
|                          |                 |         /-----Bernard Count In Werl-Hovel
|                          |                 |        |         \-----Gerberga Of Burgundy
|                          |                  \-----Ida Of Werl
|                  /-----Eberhard I Count Of Altena And Berg
|                 |        |                                    /-----Frederick I Count In Upper Isar And Warrenburg
|                 |        |                           /-----Frederick II Count Of Diessen
|                 |        |                          |         \-----Kunizza
|                 |        |                  /-----Berthold I Count Of Schwarzenburg
|                 |        |                 |        |         /-----Arnold Count Of Gilching
|                 |        |                 |         \-----Ermengarde Of Gilching
|                 |        |                 |                  \-----Ermengarde
|                 |        |         /-----Engelbert Count Of Schwarzenberg
|                 |        |        |        |                  /-----Siegfried Von Spondheim, Count Of Levanthal
|                 |        |        |        |         /-----Engelbert I Von Spondheim, Count In Lavanthal
|                 |        |        |        |        |         \-----Richardis
|                 |        |        |         \-----Richarda Of Lavaret
|                 |        |        |                 |         /-----Bernhard Von Flinsbach
|                 |        |        |                  \-----Hedwig
|                 |        |        |                           \-----Alilia
|                 |         \-----Irmgard Of Schwarzenburg
|                 |                 |         /-----Bernhard Von Flinsbach
|                 |                  \-----Hedwig
|                 |                           \-----Alilia
|         /-----Arnold Of Isenberg, Count Of Altena
|        |        |                                             /-----(Unk)
|        |        |                                    /-----Rutger I
|        |        |                           /-----Rutger II Count Of Tomburg
|        |        |                          |        |         /-----Edzo Count Of Lorraine
|        |        |                          |         \-----Wazela Of Lorraine
|        |        |                          |                  \-----Matilda Of Saxony
|        |        |                  /-----Dietrich I Count Of Kleve
|        |        |         /-----Arnold I Count Of Cleves
|        |         \-----(Unk) Of Kleve
|        |                 |                                    /-----Lambert I The Bearded Count Of Louvain
|        |                 |                           /-----Lambert II The Belted Count Of Louvain
|        |                 |                          |         \-----Gerberga Of Lorraine
|        |                 |                  /-----Henry II Of Brabant, Count Of Lorraine
|        |                 |                 |        |         /-----Gothelo I Duke Of Upper And Lower Lorraine
|        |                 |                 |         \-----Oda Of Lorraine
|        |                 |                 |                  \-----Ita
|        |                 |         /-----Godfrey I The Bearded Duke Of Brabant
|        |                 |        |        |                  /-----Frethehard Count In Teisterbant
|        |                 |        |        |         /-----Eberhard Of Betuew And Teisterbant
|        |                 |        |         \-----Adelaide Of Betuew
|        |                  \-----Ida Of Lorraine
|        |                          |                           /-----Louis II Count Of Chiny, Count Of Ivoix
|        |                          |                  /-----Arnold II Of Warcq, Count Of Chiny
|        |                          |                 |         \-----Sophia
|        |                          |         /-----Otto II Count Of Chiny
|        |                          |        |        |         /-----Hildouin III De Rameru, Count Of Montdidier And Roucy
|        |                          |        |         \-----Alix De Rameru
|        |                          |        |                  \-----Adele De Roucy
|        |                           \-----Ida Of Chiny
|        |                                   |                  /-----Albert II Count Of Namur
|        |                                   |         /-----Albert III Count Of Namur
|        |                                   |        |         \-----Regilinde Of Lorraine
|        |                                    \-----Adelaide Of Namur
|        |                                            |         /-----Bernard II Duke Of Saxony
|        |                                             \-----Ida Of Saxony
|        |                                                      \-----Eilika Of Schweinfurt
\-----Agnes Of Altena
         |                                                      /-----Thierri III Count Of Holland
         |                                             /-----Florent I Count Of Holland
         |                                            |         \-----Othilde Of Franconia
         |                                    /-----Thierri V Count Of West Friesland
         |                                   |        |         /-----Bernard II Duke Of Saxony
         |                                   |         \-----Gertrude Of Saxony
         |                                   |                  \-----Eilika Of Schweinfurt
         |                           /-----Florence II Le Gros Count Of Holland
         |                          |         \-----Othilde Of Saxony
         |                  /-----Thierri VI Count Of Holland
         |                 |        |                           /-----Gerhard III Count Of Alsace
         |                 |        |                  /-----Gerhard IV Count Of Alsatia, Duke Of Lorraine Mosel
         |                 |        |                 |         \-----Gisela
         |                 |        |         /-----Thierry II Duke Of Lorraine
         |                 |        |        |         \-----Hedwig
         |                 |         \-----Petronella
         |                 |                 |                  /-----Baldwin V Count Of Flanders
         |                 |                 |         /-----Robert Le FRISON, Count Of Flanders
         |                 |                 |        |         \-----Adelaide Of France
         |                 |                  \-----Gertrude Of Flanders
         |                 |                          |         /-----Bernard II Duke Of Saxony
         |                 |                           \-----Gertrude Of Saxony
         |                 |                                    \-----Eilika Of Schweinfurt
         |         /-----Florence III Count Of Holland
         |        |        |                                    /-----Frederick I Count Of Luxemburg
         |        |        |                           /-----Giselbert Count Of Luxembourg
         |        |        |                          |         \-----Ermentrude Of Kinziggau
         |        |        |                  /-----Herman I Count Of Salm
         |        |        |         /-----Otto De RENTHAM, Count Palatine Of The Rhine
         |        |        |        |         \-----Sophia
         |        |         \-----Sophia De RENTHEM
         |        |                 |                           /-----Benne Von Northeim, Count In The Rittegau
         |        |                 |                  /-----Otto I Count Of Northeim, Duke Of Bavaria
         |        |                 |                 |         \-----Eilika Of Schweinfurt
         |        |                 |         /-----Henry The Fat Count Of Nordheim
         |        |                 |        |        |         /-----Otto Count Of Sundgau
         |        |                 |        |         \-----Richeza
         |        |                  \-----Gertrude Of Northeim
         |        |                          |                  /-----Liudolf (Ludwig) Margrave Of Westfriesland
         |        |                          |         /-----Ekbert II Margrave Of Saxony And Thuringia
         |        |                          |        |         \-----Gertrudis
         |        |                           \-----Gertrude Heiress Of Brunswick
         |        |                                   |         /-----Ulric Manfred II Marquess Of Turin
         |        |                                    \-----Ermengarde Markgrafin Of Susa
         |        |                                             \-----Bertha
          \-----Mechtild Of Holland
                  |                                             /-----Crinan The Thane Abbot Of Dunkeld
                  |                                    /-----Donnchad (Duncan I) Mac CRINAN, King Of Scots
                  |                                   |         \-----Bethoc
                  |                           /-----Mael Coluim Ceann Moir (Malcolm III) Canmore Mac DONNCHAD, King Of Scots
                  |                          |        |         /-----Sigurd Digera Earl Of Northumbria
                  |                          |         \-----Sibylia Of Northumbria
                  |                          |                  \-----Aelflaed
                  |                  /-----David I The Saint King Of Scots
                  |                 |        |                  /-----Edmund Ironside King Of England
                  |                 |        |         /-----Edward Athling The Exile
                  |                 |        |        |         \-----Ealgyth
                  |                 |         \-----Saint Margaret Of Scotland
                  |                 |                 |         /-----Jaroslav I Grand Prince Of Kiev
                  |                 |                  \-----Agatha
                  |                 |                           \-----Ingegard
                  |         /-----Henry Of Huntingdon, Earl Of Huntingdon
                  |        |        |                           /-----Beorn
                  |        |        |                  /-----Sigurd Digera Earl Of Northumbria
                  |        |        |         /-----Waltheof II Earl Of Huntingdon
                  |        |        |        |        |         /-----Ealdred Of Bernicia
                  |        |        |        |         \-----Aelflaed
                  |        |         \-----Maud Of Huntingdon
                  |        |                 |                  /-----Eustace I Count Of Boulogne
                  |        |                 |         /-----Lambert Of Boulogne, Count Of Lens
                  |        |                 |        |         \-----Maud Of Louvain
                  |        |                  \-----Judith Of Lens
                  |        |                          |         /-----Robert I The Devil Duke Of Normandy
                  |        |                           \-----Adelaide Of Normandy
                  |        |                                    \-----Herleve Of Falaise
                   \-----Ada Of Huntingdon
                           |                                    /-----Rodulf De Warrene
                           |                           /-----Ralph II De Warrene
                           |                          |         \-----Beatrice De VASCOEUIL
                           |                  /-----William De Warrene, Earl Of Surrey
                           |                 |         \-----Emma
                           |         /-----William II De Warrene, Earl Of Surrey
                           |        |        |         /-----Gherbod The Fleming, Advocate Of St. Bertins
                           |        |         \-----Gundred
                            \-----Ada De WARENNE
                                    |                           /-----Robert II The Pious King Of France
                                    |                  /-----Henry I King Of France
                                    |                 |         \-----Constance Of Provence
                                    |         /-----Hugh Magnus Duke Of France
                                    |        |        |         /-----Jaroslav I Grand Prince Of Kiev
                                    |        |         \-----Anne Of Kiev
                                    |        |                  \-----Ingegard
                                     \-----Isabel De Vermandois, Countess Of Leicester
                                             |                  /-----Eudes Count Of Vermandois
                                             |         /-----Herbert IV Count Of Vermandois
                                             |        |         \-----Parvie
                                              \-----Adelaide De Vermandois, Countess Of Vermandois
                                                      |         /-----Raoul III The Great Count Of Valois And Vexin
                                                       \-----Adela De Valois
                                                                \-----Adela

Descendants of Johann I Count Of Oldenburg In Oldenburg And Delm

1. Johann I Count Of Oldenburg In Oldenburg And Delm m. Richza Of Hoya

m. Richza Of Hoya father: Heinrich II Count Of Hoya mother: Hedwig

2+ Christian III Count Of Oldenburg m1. Hedwig Of Oldenburg m2. Jutta Of Bentheim

3+ Otto II Count Of Oldenburg In Delmenhorst m. Oda

4 Hedwig Of Oldenburg m. Egbert Count Of Bentheim

5 Henry Of Oldenburg

6 Moritz Of Oldenburg, Canon At Bremen

2nd generation

2. Christian III Count Of Oldenburg m1. Hedwig Of Oldenburg m2. Jutta Of Bentheim

m. Hedwig Of Oldenburg father: Heinrich IV Count Of Oldenburg In Wildeshausen mother: Elizabeth Of Tecklenburg

7 Christian Of Oldenburg

8 Otto Of Oldenburg, Archbishop Of Bremen

m. Jutta Of Bentheim father: Balduin I Count Of Bentheim mother: Jutta

9+ Johann II Count Of Oldenburg m1. Elisabeth Of Braunschweig m2. Hedwig Of Diepolz

3. Otto II Count Of Oldenburg In Delmenhorst m. Oda

m. Oda father: Hoyer I Count Of Sernberg mother: Agnes Of Lippe

10+ Johann I Count Of Oldenburg In Delmenhorst m. Kunigunde Of Wolpe

11 (Unk Dau) Of Oldenburg m. Otto II Duke Of Brunswick; Otto II Duke Of Brunswick father: Johann I Duke Of Brunswick mother: Luitgard Of Holstein

12 Jutta Of Oldenburg m. Rudolph III Count Of Diepholz

13 Agnes Of Oldenburg, Abbess Of Bassum

14 Heilwig Of Oldenburg m. Werner Of Hadmerslebe, Count Of Friedeburg

15 Otto Of Oldenburg

16+ Christian Count Of Oldenburg In Delmenhorst m1. Lutgardis Of Bronckhorst m2. Elizabeth Of Rostock

3rd generation

9. Johann II Count Of Oldenburg m1. Elisabeth Of Braunschweig m2. Hedwig Of Diepolz

m. Elisabeth Of Braunschweig father: Johann I Duke Of Brunswick mother: Luitgard Of Holstein

17 Christian IV Count Of Oldenburg m. Hedwig Of Oldenburg

18+ John III Count Of Oldenburg m. Mechtilde Of Bronckhorst

m. Hedwig Of Diepolz father: Konrad Count Of Diepolz mother: Hedwig Of Rietberg

19+ Konrad I Count Of Oldenburg m. Ingeborg Of Holstein And Schauenburg

20 Moritz Of Oldenburg

21 Gisela Of Oldenburg m. Gerhard III Count Of Hoya; Gerhard III Count Of Hoya

22 Riconda Of Oldenburg m. Gottschalk Of Plesse

10. Johann I Count Of Oldenburg In Delmenhorst m. Kunigunde Of Wolpe

m. Kunigunde Of Wolpe father: Burchard Count Of Wolpe mother: Ermengarde

23+ Christian Count Of Oldenburg In Delmenhorst m. Helwig Of Hoya

24 Bernhard Of Oldenburg, Canon At Holdesheim

25 John Of Oldenburg, Canon At Minden

26 Cunigunde Of Oldenburg

27 Agnes Of Oldenburg

16. Christian Count Of Oldenburg In Delmenhorst m1. Lutgardis Of Bronckhorst m2. Elizabeth Of Rostock

m. Lutgardis Of Bronckhorst father: Gisbert Lord Of Bronckhurst

m. Elizabeth Of Rostock father: Nicholas Prince Of Rostock mother: Margaret Of Pomerania

28 John Of Oldenburg, Canon At Cologne

29 Wertslaw Of Oldenburg, Canon At Verdun

30 Jutta Of Oldenburg m. Gerhard III Count Of Hoya; Gerhard III Count Of Hoya

31 Otto III Count Of Oldenburg In Delmenhorst

32 Christian Of Oldenburg, Canon At Bremen

4th generation

18. John III Count Of Oldenburg m. Mechtilde Of Bronckhorst

m. Mechtilde Of Bronckhorst father: Gilbert Of Bronckhorst

33+ John IV Count Of Oldenburg m.

34 Christian Of Oldenburg

35 Otto Of Oldenburg

36 William Of Oldenburg

19. Konrad I Count Of Oldenburg m. Ingeborg Of Holstein And Schauenburg

m. Ingeborg Of Holstein And Schauenburg father: Gerhard III Count Of Holstein And Schauenburg mother: Anastasia Of Schwerin

37+ Conrad II Count Of Oldenburg m. Cunigunde

38 Gerhard Of Oldenburg

39 Agnes Of Oldenburg m. Ludolph Count Of Wunstorf

40+ Christian V Count Of Oldenburg m. Agnes Of Honstein

23. Christian Count Of Oldenburg In Delmenhorst m. Helwig Of Hoya

m. Helwig Of Hoya father: Otto I Count Of Hoya mother: Ermengarde Of Holstein

41+ Otto IV Count Of Oldenburg In Delmenhorst m. Richardis Of Tecklenburg

42 John Of Oldenburg

5th generation

33. John IV Count Of Oldenburg m.

43 Otto Of Oldenburg

44 Conrad Of Oldenburg

37. Conrad II Count Of Oldenburg m. Cunigunde

45 Jutta Of Oldenburg, Abbess Of Wunstorf

46 Cunigunde Of Oldenburg m. John Count Of Diepholz

47 John Of Oldenburg

48+ Maurice IV Count Of Oldenburg m. Elizabeth Of Brunswick

40. Christian V Count Of Oldenburg m. Agnes Of Honstein

m. Agnes Of Honstein father: Dietrich V Count Of Honstein And Heringen mother: Sophia Of Brunswick-Luenenburg

49 Christian VI Of Oldenburg, Canon At Cologne

50+ Dietrich The Fortunate Count Of Oldenberg m1. Adelheid Of Delmenhorst m2. Heilwig Von Holstein

41. Otto IV Count Of Oldenburg In Delmenhorst m. Richardis Of Tecklenburg

m. Richardis Of Tecklenburg father: Nikolaus Count Of Tecklenburg mother: Helene Of Oldenberg

51 Adelheid Of Delmenhorst m. Dietrich The Fortunate Count Of Oldenberg; Dietrich The Fortunate Count Of Oldenberg father: Christian V Count Of Oldenburg mother: Agnes Of Honstein

52 Nicholas Of Oldenburg, Bishop Of Bremen