*Hildouin IV Count of Montdidier
born Abt 1031? Of Montdidier, Somme, France
died 1063

father:
*Hildouin III de Montdidier Seigneur de Rameru
born 1000 Montdidier, Somme, France
died 1062

mother:
*Alice (Adela) De Roucy
born Abt 1014 Of, Roucy, Aisne, France
died 1063
married 1031

siblings:
*Margaret (Marguerite) De Montdidier born Abt 1035/45 Of, Montdidier, Somme, France died Abt 1110
*Adelheid De Roucy born Abt 1050 La Sarraz, Switzerland
*Beatrice of Montdidier born Abt 1051 Of, Montdidier, Picardy, France
*Andrè de Montdidier Rameru Seneschal de Champagne born about 1060
*Adele de Roucy born about 1050

spouse:
*Adelaide de Rheims

children:
*Felicitas de Montdidier Queen of Aragon born 1069 Montdidier, Picardy, France died 24 April 1086
*Adela de Montdidier born <1070> Montdidier, Picardy, France died after 1121

biographical and/or anecdotal:

notes or source:
LDS & ancestry.com