Ida, daughter of Baldwin III, Count of Hainault. [Burke's Peerage]
--------------------
He [Roger de Toeni] married Ida, daughter of BALDWIN III, COUNT OF HAINAULT, by Yolande, daughter of Gerard, COUNT OF GUELDERS. With her he had in marriage from Henry 120 librates of land out of the royal demesne at East Bergholt, Suffolk. He died after Michaelmas 1157 and probably before 1162. [Complete Peerage XII/1:763-4, (transcribed by Dave Utzinger)]