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Family:
Marriage:
Bibliography
  1. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. I.1: Die frankischen Konige und die Konige und Kaiser, Stammesherzoge, Kurfursten, Markgrafen und Herzoge des Heiligen Romischen Reiches Deutscher Nation. Frankfurt am Main: Vittorio Klostermann, 1998. Information from this source tagged as [Ref: ES I.1 #[0-9]*].
  2. Schwennicke, Detlev, ed., Europaische Stammtafeln: Stammtafeln zur Geschichte der europaischen Staaten, New Series. XVIII: Zwischen Maas und Rhein. Frankfurt am Main: Vittorio Klostermann, 1998. Information from this source tagged as [Ref: ES XVIII #[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].

Sources for birth and parent Information
date:
abt 1270 [Ref: Leo van de Pas SGM 12/31/1998-A],
parents:
[Ref: ES I.1 #69, Leo van de Pas SGM 12/31/1998-A]
Sources for death Information
date:
[Ref: ES I.1 #69, ES XVIII #25, Leo van de Pas SGM 12/31/1998-A]
Sources with Information about marriage to Adelheid Von Heinsberg
date:
before 1302 [Ref: Leo van de Pas SGM 12/31/1998-A]
vor 1302 [Ref: ES I.1 #69, ES XVIII #25]
Research Notes:
Count of Nassau [Ref: ES I.1 #69]
Count of Nassau-Siegen [Ref: ES XVIII #25]

1303: in Siegen Ginsbert Haiger and the Westerwald [Ref: ES I.1 #69]

1328: in Dillenburg Herborn and Beilstein [Ref: ES I.1 #69]



Pedigree of Heinrich I Count Of Nassau
                                              /-----Dudo Count Of Lurenburch
                                     /-----Rupert I Count Of Laurenburg
                                    |        |                  /-----Arnold Count In Einrichgau
                                    |        |         /-----Ludwig I Count Of Arnstein
                                    |         \-----(Unk) Of Arnstein
                            /-----Rupert II Count Of Laurenburg
                           |        |                           /-----Udo/Waleran I Duke Of Limburg
                           |        |                  /-----Henry I Duke Of Limburg
                           |        |                 |         \-----Jutta
                           |        |         /-----Waleran II Duke Of Limburg
                           |        |        |        |         /-----Boto The Bold Von Botenstein
                           |        |        |         \-----Adelaide
                           |        |        |                  \-----Judith Von Schweinfurt
                           |         \-----Beatrix Of Limburg
                           |                 |                  /-----Dietrich Flameus Count In The Velux
                           |                 |         /-----Gerald I Count Of Guelders And Wassenberg
                           |                  \-----Jutta Heiress Of Wassenberg
                   /-----Walram I Of Laurenburg, Count Of Nassau
          /-----Heinrich II The Rich Count Of Nassau
         |         \-----Kunigunde
 /-----Otto I Count Of Nassau
|        |                                                      /-----Gerard Flameus Count Of Teirterbant
|        |                                             /-----Dietrich Flameus Count In The Velux
|        |                                    /-----Gerald I Count Of Guelders And Wassenberg
|        |                           /-----Gerard II Count Of Zutphen
|        |                  /-----Henry Count Of Guelders
|        |                 |        |                           /-----Hermann Count In Nifterlake
|        |                 |        |                  /-----Gottschalk Count Of Zutphen
|        |                 |        |         /-----Otto II Count Of Zutphen
|        |                 |        |        |        |         /-----Otto Count Of Zutphen
|        |                 |        |        |         \-----Adelheid Of Zutphen
|        |                 |         \-----Ermengarde Heiress Of Zutphen
|        |                 |                  \-----Judith
|        |         /-----Otto I Count Of Gelders
|        |        |        |                           /-----Arnold Count In Einrichgau
|        |        |        |                  /-----Ludwig I Count Of Arnstein
|        |        |        |         /-----Ludwig II Count Of Arnstein
|        |        |         \-----Agnes Of Arnstein
|        |        |                  \-----Udalhild Of Odenkirchen
|         \-----Mechtild Of Geldern
|                 |                                             /-----Otto I Count Of Scheyern
|                 |                                    /-----Ekkehart Count Of Scheyern
|                 |                                   |         \-----Haziga Of Scheyern
|                 |                           /-----Otto I Von Wittlesbach, Pfalzgraf Of Bavaria
|                 |                          |        |         /-----Ulric I Count Of Krain And Istria
|                 |                          |         \-----Richardis
|                 |                          |                  \-----Sophia Of Hungary
|                 |                  /-----Otto II Von Wittlesbach, Pfalzgraf Of Bavaria
|                 |                 |        |         /-----Eberhard Of Ratzenhofen
|                 |                 |         \-----(Unk) Of Ratzenhofen
|                 |                 |                  \-----Mathilde Of Reipertshofen
|                 |         /-----Otto I Duke Of Bavaria
|                 |        |        |                  /-----Ruotger Count Of Veltheim
|                 |        |        |         /-----Frederick III Lord Of Langenfeld
|                 |        |        |        |        |         /-----Friedrich I Of Burglengenfeld
|                 |        |        |        |         \-----(Unk) Of Burglengenfeld
|                 |        |        |        |                  \-----Sigena Of Leinungen
|                 |        |         \-----Heilika
|                 |        |                 |                  /-----Frederick Count Of Buren
|                 |        |                 |         /-----Frederick I Of Hohenstauffen, Duke Of Alsace And Swa
|                 |        |                 |        |         \-----Hildegarde
|                 |        |                  \-----Heilika Of Staufen
|                 |        |                          |         /-----Henry IV King Of Germany
|                 |        |                           \-----Agnes
|                 |        |                                    \-----Burtha Of Maurienne
|                  \-----Richilde Von Wittlesbach
|                          |                                    /-----Giselbert I Count Of Loos
|                          |                           /-----Emmo III Count Of Loos
|                          |                          |         \-----Erlande Of Jodoigne
|                          |                  /-----Arnolf V Count Of Loos
|                          |                 |         \-----Ermengard
|                          |         /-----Louis Count Of Loos And Rienack
|                          |        |        |         /-----Gerhard Burggraf Of Rienack By Mainz
|                          |        |         \-----Agnes Of Mainz
|                          |        |                  \-----Hedwig Of Blieskastel
|                           \-----Agnes
|                                   |                           /-----Folman III Count Of Metz
|                                   |                  /-----Folman IV Count Of Metz
|                                   |                 |         \-----Spanhilda
|                                   |         /-----Folman V Count Of Metz And Homburg
|                                    \-----Agnes Of Metz
|                                            |                  /-----Heinrich I Count Of Egisheim And Dagsburg
|                                            |         /-----Albrecht I Count Of Dagsburg
|                                            |        |         \-----(Unk) Of Moha
|                                             \-----Matilda Von Dagsburg
|                                                     |         /-----Conrad I Count Of Luxembourg
|                                                      \-----Ermesinde
|                                                               \-----Clementia Of Poitou
Heinrich I Count Of Nassau
|                                                               /-----Siegbert I Count In The Saargau
|                                                      /-----Siegbert II Count In The Saargau
|                                             /-----Frederick Count Of Saarbrucken
|                                    /-----Simon I Count Of Saarbrucken
|                                   |        |                  /-----Gerhard IV Count Of Alsatia, Duke Of Lorraine Mosel
|                                   |        |         /-----Thierry II Duke Of Lorraine
|                                   |        |        |         \-----Hedwig
|                                   |         \-----Gisela
|                                   |                 |         /-----Robert Le FRISON, Count Of Flanders
|                                   |                  \-----Gertrude Of Flanders
|                                   |                           \-----Gertrude Of Saxony
|                           /-----Simon II Count Of Saarbrucken
|                          |        |                           /-----Stephan Count Of Spondheim
|                          |        |                  /-----Stephen Count Of Spondheim
|                          |        |         /-----Meginhard I Count Of Spondheim
|                          |        |        |         \-----Sophia
|                          |         \-----Mathilda Of Spondheim
|                          |                 |                  /-----Eberhard
|                          |                 |         /-----Albert Count Of Morsberg
|                          |                  \-----Machthild Of Morsburg
|                          |                          |         /-----Thierry II Count Of Bar
|                          |                           \-----Mathilda
|                          |                                    \-----Ermentrude Of Burgandy
|                  /-----Friedrich II Count Of Saarbrucken And Leiningen
|                 |        |                                    /-----Emicho Count In Nehegau
|                 |        |                           /-----Emich I Count In Wormsgau
|                 |        |                          |         \-----Hizecha
|                 |        |                  /-----Emich II Count In Wormsgau
|                 |        |         /-----Emich III Count Of Leiningen
|                 |        |        |         \-----Alvaradis
|                 |         \-----Liutgarde Of Leiningen
|                 |                  \-----Elise
|         /-----Emich IV Count Of Leiningen
|        |        |                                             /-----Berthold I Of Eberstein
|        |        |                                    /-----Berthold II Of Eberstein
|        |        |                           /-----Berthold II Of Eberstein
|        |        |                  /-----Berthold III Dominus Of Eberstein
|        |        |         /-----Eberhard III Count Of Eberstein
|        |        |        |         \-----Uta
|        |         \-----Agnes Of Eberstein
|        |                 |                                    /-----Berthold I Count In The Upper Isar And Of Diessen
|        |                 |                           /-----Berthold II Count Of Diessen And Andach
|        |                 |                  /-----Berthold III Count Of Diessen
|        |                 |                 |        |         /-----Otto III Count Of Schweinfurt, Duke Of Swabia
|        |                 |                 |         \-----Gisela Von Schweinfurt
|        |                 |                 |                  \-----Ermengarde Markgrafin Of Susa
|        |                 |         /-----Berthold IV Count Of Andache
|        |                 |        |        |                  /-----Ulric I Count Of Krain And Istria
|        |                 |        |        |         /-----Poppo II Margrave Of Krain And Istria
|        |                 |        |        |        |         \-----Sophia Of Hungary
|        |                 |        |         \-----Sophia Of Istria
|        |                 |        |                 |         /-----Engelbert I Von Spondheim, Count In Lavanthal
|        |                 |        |                  \-----Richarda Of Lavaret
|        |                 |        |                           \-----Hedwig
|        |                  \-----Kunigunde Of Andechs
|        |                          |                           /-----Thiemo II Count In The Quinziggau
|        |                          |                  /-----Ekbert I Count Of Formbach
|        |                          |         /-----Ekbert II Count Of Putten And Neuberg
|        |                          |        |        |         /-----Godfrey Count In The Ernsthal
|        |                          |        |         \-----Mathilda Heiress Of Lambeck
|        |                           \-----Hedwig Of Formbach
|        |                                   |                  /-----Ottokar VI Count Of Chimgau, Count Of Styria
|        |                                   |         /-----Ottokar II Margraf Of Styria
|        |                                   |        |         \-----Wilibirg
|        |                                    \-----Wilibirg
|        |                                            |         /-----Leopold II Le Beau Margrave Of Austria
|        |                                             \-----Elizabeth
|        |                                                      \-----Ita Of Cham
 \-----Agnes Of Leiningen
          \-----Elizabeth



Descendants of Heinrich I Count Of Nassau
1. Heinrich I Count Of Nassau m. Adelheid Von Heinsberg
m. Adelheid Von Heinsberg father: Dietrich Herr Von Heinsberg mother: Johanna Of Gaesbeek