Gerard I, Count of Guelders (c. 1060 – 8 March 1129) was Count of Guelders (Gelre in Dutch). He was the son of Theodoric of Wassenberg. He may have been married to Clementia of Aquitaine, although that proposed marriage seems to be based on a falsified document. It is also possible that he married a daughter of William I, Count of BurgundyHerimanni, Liber de Restauratione Sancti Martini Tornacensis 33, MGH SS XIV, p. 287. whose name is not known. Gerard had three children: * Jutta of Wassenberg, married Waleran II of Limburg * Yolande of Wassenberg (Yolande of Guelders), married 1)

Baldwin III, Count of Hainaut Baldwin III (1088–1120) was count of Hainaut from 1098 to his death. History Baldwin was son of Count Baldwin II of Hainaut and Ida of Hainaut, Ida of Louvain. He succeeded to the County of Hainaut in 1102. Baldwin married Yolande of Guelders at ...

and 2) Godfrey II de Ribemont Châtelain de Valenciennes * Gerard II, Count of Guelders, married Ermengarde of Zutphen, daughter of Otto II, Count of Zutphen.

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* * 1060s births 1129 deaths Gerard I House of Wassenberg 11th-century nobility from the Holy Roman Empire 12th-century nobility from the Holy Roman Empire 11th-century counts in Europe 12th-century counts in Europe {{Europe-noble-stub