Ada de Montdidier (c1050-aft1121)

Ada de Montdidier was born circa 1050 to Hilduin IV de Montdidier (c998-c1063) and Alix de Roucy (c1010-1063) and died after 1121 of unspecified causes. She married Geoffroy de Guise (?-?) . She married Gauthier de Ath (?-?) . She married Thierry d'Avesnes (?-?) .

Children

Offspring of Geoffroy de Guise (?-?) and Ada de Montdidier
Name	Birth	Death	Joined with
Guy de Guise (?-aft1124)
Albert de Guise (?-?)

Offspring of Gauthier de Ath (?-?) and Ada de Montdidier
Name	Birth	Death	Joined with
Ida de Ath (c1080-c1127)	1080	1127	Gossuin II de Mons Guy de Chièvres
Beatrix de Ath (c1080-c1127)	1080	1127	Arnoul de Hainaut (c1093-aft1117)

‡ General