Ermentrude de Montdidier was born circa 1053 to Hilduin IV de Montdidier (c998-c1063) and Alix de Roucy (c1010-1063) and died after 1102 of unspecified causes. She married Thibaut de Reynel (?-c1101) . Notable ancestors include Hugh Capet (c940-996), Charlemagne (747-814). Ancestors are from France, Germany, Belgium.
|Offspring of Ermentrude de Montdidier and Thibaut de Reynel (?-c1101)|
|Hugues de Reynel (c1075-bef1127)||1075||1127|| Hedwige de Thiécourt|
|Arnoul de Reynel (?-?)|| |
|Mentia de Reynel (?-?)|| |
|Hildegarde de Reynel (?-?)|