*Gerald I (III) "Flaminus" de Wassenberg Count of Guelder
born about 1063 Wassenberg, Rheinland, Prussia
died 1125

father:
*Heinrich von Wassenburg
born 1033 Wassenberg, Rheinland, Germany
died 1075 Wassenberg, Rheinland, Germany

mother:
unknown

siblings:
Heinrich I Count von Krickenbeck born 1065? Wassenberg, Rheinland, Prussia died after 1118

spouse:
*Clemence de Poiteau
born 1060 Poitou, France
died after 1129

children:
Adelheid von Wassenberg born 1089 Wassenberg, Rheinland, Prussia
*Yolande (Guelders) von Wasserburg born 1089 Wassenberg, Rheinland, Prussia
*Gerhard II Count of Guelders born about 1091 Wassenberg, Rheinland, Prussia died 1134 Zutphen, Gelderland, Netherlands
*Jutta of Guelders born about 1093 Wassenberg, Rheinland, Prussia died 24 June 1151 Limburg, Belgium

biographical and/or anecdotal:

notes or source:
ancestry.com