Adélaïde was the daughter of Évrard I de Breteuil and Humberge de Sours. The date and place of her birth have not been found.
Her husband was Roger II de Montgommery, who she married in AFT 1082. The place has not been found. Their only known child was Éverard (?-?).
Évrard I de Breteuil |
Hulduin de Clermont |
Hildouin I (III) de Ponthieu |
||||||
Hersende de Ramerupt |
+ | |||||||
Émiline de Châteaudun |
Foucher de Chartres |
|||||||
| ||||||||
Humberge de Sours |
Hughes du Puiset |
| ||||||
| ||||||||
| | |||||||
|