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: Sizzo II Count Of Schwarzburg Kafernburg And Thur
Sex: M
Death: 19 Apr 1160 ^d

Parents:

Father:
Gunther I Count Of Kafernberg Death: 1109

Mother:

Mechtild Heiress Of Beichlingen Birth: Abt 1076

Family:
Marriage:

Gisela on Before 1133 .^m1
Gisela

Children:

Mechtild Of Schwarzburg Death: Abt 1192
Heinrich I Count Of Schwarzburg Death: 26 Jul 1184
Gunther II Count Of Kafernburg Death: After 15 Jan 1197
Bertha Countess Of Schwarzburg Birth: Abt 1025 Death: Before 17 Sep 1089

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. I.3: Die Hauser Oldenburg, Mecklenburg, Schwarzburg Waldeck, Lippe und Reuss. Frankfurt am Main: Vittorio Klostermann, 2000. Information from this source tagged as [Ref: ES I.3 #[0-9]*].
Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. VIII: West-, Mittel- und Nordeuropaische Familien. Marburg: Verlag von J. A. Stargardt, 1980. Information from this source tagged as [Ref: ES VIII #[0-9]*].

Sources for birth and parent Information

parents:: [Ref: ES I.3 #312]

Sources for death Information

date:: [Ref: ES I.3 #312]

Sources with Information about marriage to Gisela

date:: vor 1133 [Ref: ES I.3 #312],
child:: [Ref: ES I.3 #312]

Research Notes:
Count of Schwarzburg, Kafernburg, and Thuringen [Ref: ES I.3 #312]
Count of Schwarzburg [Ref: ES I.3 #298, ES VIII #133]

Pedigree of Sizzo II Count Of Schwarzburg Kafernburg And Thur
                            /-----Sizzo
                   /-----Sizzo
          /-----Sizzo I Count In Langwitzgau
/-----Gunther I Count Of Kafernberg
Sizzo II Count Of Schwarzburg Kafernburg And Thur
|                                                               /-----Rurik, Danish Viking Grand Prince Of Kiev
|                                                      /-----Igor Grand Prince Of Kiev
|                                                     |         \-----Alfrind
|                                             /-----Svatislav I Grand Prince Of Kiev
|                                            |         \-----Saint Olga
|                                    /-----Saint Vladimir Grand Prince Of Kiev
|                                   |         \-----Predslawa
|                           /-----Jaroslav I Grand Prince Of Kiev
|                          |        |         /-----Rognald Prince Of Polotzk
|                          |         \-----Rogneide Of Polotzk
|                  /-----Isiaslav I Grand Prince Of Kiev
|                 |        |                                    /-----Eric V King Of Swedes And Goths
|                 |        |                           /-----Bjorn The Old King Of Sweden
|                 |        |                  /-----Erik SEGERSALL, King Of Sweden
|                 |        |         /-----Olaf III SKOTKONUNG, King Of Sweden
|                 |        |        |        |         /-----Skoglar TOSTE, Viking
|                 |        |        |         \-----Sigrid STORRADA
|                 |         \-----Ingegard
|                 |                  \-----Astrid
|         /-----Jarapolk Prince Of Wladimir And Turow
|        |        |                                    /-----Ziemovitus Duke Of Poland
|        |        |                           /-----Miesko Prince Of Poland
|        |        |                  /-----Boleslav King Of Poland
|        |        |                 |        |                  /-----Vratislav I Duke Of Bohemia
|        |        |                 |        |         /-----Boleslav I Duke Of Bohemia
|        |        |                 |        |        |         \-----Drahomira Of Stodor
|        |        |                 |         \-----Dabrowaka Of Bohemia
|        |        |                 |                  \-----Bosena Of Stochou
|        |        |         /-----Miesco II King Of Poland
|        |        |        |        |         /-----Dobromir Prince Of Silesia
|        |        |        |         \-----Emmilda Of Silasia
|        |         \-----Gertrude Of Poland
|        |                 |                                    /-----Eberhard I Count In Keldachgau And Bonngau
|        |                 |                           /-----Erenried II Count If Zulpichgau
|        |                 |                  /-----Hermann I Count In Bonngau
|        |                 |                 |         \-----Richwara
|        |                 |         /-----Edzo Count Of Lorraine
|        |                 |        |         \-----Heilwig Of Dillingen
|        |                  \-----Rixa Of Lorraine
|        |                          |                           /-----Henry I The Fowler King Of The Saxons
|        |                          |                  /-----Otto I The Great Holy Roman Emperor
|        |                          |                 |         \-----Mechtilde Of Westfalen
|        |                          |         /-----Otto II Holy Roman Emperor
|        |                          |        |        |         /-----Rudolph II King Of Juran Burgundy And Provence
|        |                          |        |         \-----Saint Adelaide Of Burgundy
|        |                          |        |                  \-----Berthia Of Swabia
|        |                           \-----Matilda Of Saxony
|        |                                   |                  /-----Niketas Skleros, Patrician
|        |                                   |         /-----Constantine Skleros, Patrician At Constantinople
|        |                                   |        |         \-----Gregoria Of Macedonia
|        |                                    \-----Theophana
|        |                                            |         /-----Leo PHOKAS, Prefect Of Cappadorcia
|        |                                             \-----Sophia PHOKAS
\-----Mechtild Heiress Of Beichlingen
         |                                    /-----William I Count In South Thuringia
         |                           /-----William II Duke Of Thuringia
         |                  /-----William III Count Of Weimar
         |         /-----William IV Count Of Weimar
         |        |        |                                    /-----Christian Margrave Of The Saxon Nordmark
         |        |        |                           /-----Dietman I Margrave Of The Saxon Eastmark
         |        |        |                          |         \-----Hidda
         |        |        |                  /-----Gero Markgraf Of Lausitz
         |        |        |                 |        |         /-----Hermann Billung Duke Of Saxony
         |        |        |                 |         \-----Susanhildia Of Saxony
         |        |        |                 |                  \-----Hildegarde Of Westerbourg
         |        |        |         /-----Thistmar II Margrave Of The Saxon East Mark
         |        |        |        |         \-----Adelaide
         |        |         \-----Oda
          \-----Kunigunde Of Orlamunde

Descendants of Sizzo II Count Of Schwarzburg Kafernburg And Thur

1. Sizzo II Count Of Schwarzburg Kafernburg And Thur m. Gisela

2+ Mechtild Of Schwarzburg m. Adolf II Count Of Holstein

3 Heinrich I Count Of Schwarzburg m. (Unk Dau) Of Wizenburg; (Unk Dau) Of Wizenburg father: Hermann II Count Of Wizenburg mother: Luitgarde Of Stade

4+ Gunther II Count Of Kafernburg m1. Agnes Of Saarbrucken m2. Adelheid Of Hallermund

5+ Bertha Countess Of Schwarzburg m1. Poppo Of Wippra m2. Gero Count Of Brehna

2nd generation

2. Mechtild Of Schwarzburg m. Adolf II Count Of Holstein

m. Adolf II Count Of Holstein father: Adolf I Of Schaumburg, Count Of Holstein mother: Hildewe

6+ Adolf III Count Of Holstein m1. Adelaide Of Assel m2. Adelaide Of Querfurt

4. Gunther II Count Of Kafernburg m1. Agnes Of Saarbrucken m2. Adelheid Of Hallermund

m. Agnes Of Saarbrucken father: Simon I Count Of Saarbrucken mother: Mathilda Of Spondheim

7+ Heinrich II Count Of Kafernburg And Schwarzburg m. Irmgard Of Orlamunde

8+ Gunther III Count Of Schwarzburg And Kafernburg m.

m. Adelheid Of Hallermund father: Wulbrand Count Of Hallermund mother: Beatrix Of Rheinbeck

5. Bertha Countess Of Schwarzburg m1. Poppo Of Wippra m2. Gero Count Of Brehna

m. Poppo Of Wippra

m. Gero Count Of Brehna father: Dietrich II Count Of Brehne, Margrave Of Niederlausi mother: Matilda

9 Dietrich Count Of Brehna m. Gerburg

10 Willa Abbess Of Gerbstedt

12+ William Count Of Camberg m. Geva Countess Of Seeburg

13 Gunther Bishop Of Naunberg

3rd generation

6. Adolf III Count Of Holstein m1. Adelaide Of Assel m2. Adelaide Of Querfurt

m. Adelaide Of Assel father: Otto Count Of Assel mother: Salome Of Heinsburg

m. Adelaide Of Querfurt father: Burchard II Count Of Querfurt mother: Mechtild Of Tonna

14+ Adolf IV Count Of Holstein m. Heilwig Of Lippe

15+ Mechtild Of Holstein m. Otto Count Of Tecklenburg

7. Heinrich II Count Of Kafernburg And Schwarzburg m. Irmgard Of Orlamunde

m. Irmgard Of Orlamunde father: Siegfried III Count Of Orlamunde mother: Sophie Of Denmark

16+ Gunther IV Count Of Schwarzburg m. Sofija Of Halicz

8. Gunther III Count Of Schwarzburg And Kafernburg m.

17+ Gunther IV Count Of Kafernburg m. Mechtilde Of Beichlingen

18+ Albrecht I Count Of Rabenswald And Wiche m.

12. William Count Of Camberg m. Geva Countess Of Seeburg

m. Geva Countess Of Seeburg

19+ Bertha m. Wichmann Count Of Seeburg

4th generation

14. Adolf IV Count Of Holstein m. Heilwig Of Lippe

m. Heilwig Of Lippe father: Herman II Of Lippe mother: Oda Of Tecklenburg

20+ Gerhard I Count Of Holstein m1. Elizabeth Of Mecklenburg m2. Alessina Of Montferrat

21+ Johann I Count Of Holstein m. Elizabeth Of Saxony

22+ Mechtild Of Holstein m1. Abel King Of Denmark m2. Birger Magnusson Jarl, Regent Of Sweden

15. Mechtild Of Holstein m. Otto Count Of Tecklenburg

m. Otto Count Of Tecklenburg father: Simon Count Of Tecklenburg mother: Oda Of Altena

23+ Elizabeth Of Tecklenburg m. Heinrich IV Count Of Oldenburg In Wildeshausen

24 Heinrich Count Of Tecklenburg m. Jutta Of Ravensberg; Jutta Of Ravensberg father: Otto II Count Of Ravensberg mother: Sophie Of Oldenberg

25+ Heilwig Of Tecklenburg m. Otto II Count Of Bentheim And Tecklenburg

16. Gunther IV Count Of Schwarzburg m. Sofija Of Halicz

m. Sofija Of Halicz father: Daniel Romanowitsch King Of Halicz mother: Anna Mstislawna Of Novgorod

26+ (Unk) Of Schwarzburg m. Otto Of Arnshaugk

27+ Sophia Of Schwarzburg m. Berthold IV Count Of Henneberg

28+ Gunther V Count Of Schwarzburg And Blankenburg m1. Irmgard m2. Helena Of Saxony

29+ Heinrich IV Count Of Schwarzburg And Blankenburg m.

17. Gunther IV Count Of Kafernburg m. Mechtilde Of Beichlingen

m. Mechtilde Of Beichlingen father: Friedrich III Count Of Beichlingen mother: Elizabeth Of Henneburg

30+ Gunther V Count Of Kafernburg m. Mechtilde

18. Albrecht I Count Of Rabenswald And Wiche m.

31+ Gisesla Of Rabenswald m. Burchard VI Burggraf Of Magdeburg

19. Bertha m. Wichmann Count Of Seeburg

m. Wichmann Count Of Seeburg father: Cristin Count mother: Oda Of Nordmark

32 Gero Count Of Seeburg m. Maud Of Wettin; Maud Of Wettin father: Thiemo II The Bold Count Of Wettin mother: Ida Von Northeim

5th generation

20. Gerhard I Count Of Holstein m1. Elizabeth Of Mecklenburg m2. Alessina Of Montferrat

m. Elizabeth Of Mecklenburg father: Johann I Prince Of Mecklenburg mother: Luitgard Of Henneberg

33+ Hedwig Of Holstein m. Magnus Ladulas King Of Sweden

34 Elizabeth Of Holstein m. Burchard Count Of Wolpe; Burchard Count Of Wolpe father: Konrad Count Of Wolpe mother: (Unk) Of Roden

35+ Adolf VI Count Of Holstein-Schauenburg m. Helena Of Saxony

36+ Luitgard Of Holstein m1. Johann I Duke Of Brunswick m2. Albrecht I Count Of Anhalt

37+ Gerhard II Count Of Holstein And Schauenburg m1. Ingeborg Of Sweden m2. Agnes Of Brandenburg

38+ Heinrich I Count Of Holstein m. Heilwig Of Bronckhorst

m. Alessina Of Montferrat father: Boniface II Margrave Of Montferrat mother: Margaret Of Savoy

21. Johann I Count Of Holstein m. Elizabeth Of Saxony

m. Elizabeth Of Saxony father: Albert I Duke Of Saxony mother: Agnes Of Austria

39+ Elizabeth Of Holstein m. Nicholas Count Of Schwerin In Wittenburg

22. Mechtild Of Holstein m1. Abel King Of Denmark m2. Birger Magnusson Jarl, Regent Of Sweden

m. Abel King Of Denmark father: Waldemar II King Of Denmark mother: Berengaria Of Portugal

40+ Erich I Duke Of Schleswig (SudJutland) m. Margareta Of Rugen

41+ Sophia Of Denmark m. Bernhard I Prince Of Anhalt

m. Birger Magnusson Jarl, Regent Of Sweden father: Magnus Minneskold Of Bjalbo mother: Ingrid Ylva

23. Elizabeth Of Tecklenburg m. Heinrich IV Count Of Oldenburg In Wildeshausen

m. Heinrich IV Count Of Oldenburg In Wildeshausen father: Burchard Count Of Oldenburg In Wildeshausen mother: Kunigunde

42+ Hedwig Of Oldenburg m. Christian III Count Of Oldenburg

25. Heilwig Of Tecklenburg m. Otto II Count Of Bentheim And Tecklenburg

m. Otto II Count Of Bentheim And Tecklenburg father: Balduin I Count Of Bentheim mother: Jutta

43+ Otto III Count Of Tecklenburg m. Richardis Of The Mark

44 Egbert Count Of Bentheim m. Hedwig Of Oldenburg

26. (Unk) Of Schwarzburg m. Otto Of Arnshaugk

m. Otto Of Arnshaugk father: Hartmann Of Lobdeburg mother: Christina Of Meissen

45+ Hartmann XI Von Lobdaburg, Count Of Arnshauek m. Elizabeth Of Orlamunda

27. Sophia Of Schwarzburg m. Berthold IV Count Of Henneberg

m. Berthold IV Count Of Henneberg father: Heinrich II Count Of Henneberg mother: Sophia Of Meissen

46+ Berthold VI Count Of Henneberg m1. Adelaide Of Hessen m2. Anna Of Hohenlohe

47 Jutta Of Henneberg m. Dietrich Landgrave Of Thuringia

28. Gunther V Count Of Schwarzburg And Blankenburg m1. Irmgard m2. Helena Of Saxony

48+ Henry V Count Of Schwarzburg m. Oda Of Querfurt

49+ Adelheid Of Schwarzburg m. Gunther VII Count Of Kafernburg

m. Helena Of Saxony father: Johann I Duke Of Saxony mother: Ingeborg Of Sweden

29. Heinrich IV Count Of Schwarzburg And Blankenburg m.

50+ Heinrich VI Count Of Schwarzburg And Blankenburg m1. Cristina Of Gleichen m2. Oda Of Querfurt

30. Gunther V Count Of Kafernburg m. Mechtilde

51+ Gunther VI Count Of Kafernburg m. Sophia Of Luchow

52+ Gunther VII Count Of Kafernburg m. Adelheid Of Schwarzburg

31. Gisesla Of Rabenswald m. Burchard VI Burggraf Of Magdeburg

m. Burchard VI Burggraf Of Magdeburg father: Burchard IV Of Querfurt, Burggraf Of Magdeburg mother: Sophia Of Wildungen

53+ Burchard VIII Of Magdeburg m.