Her parentage and marriage are confirmed by the Gesta Abbatem Trudonensium which records [her brother] "Adalbero Metensium primicerius, filiorum Lovaniensis domini avunculus". The estimated date of her marriage indicates that Ida must have been one of her parents’ older children. 1
Marriage Information:
Ida married Godefroi V "le Barbu", comte de Louvain, son of Henri II, comte de Louvain et de Lorraine and Adele, comtesse de Beteau, about 1105. (Godefroi V "le Barbu", comte de Louvain was born in Brabant, Lorraine, France, died on 25 Jan 1139/40 in Jerusalem, Palestine and was buried in Affligem Abbey, Brabant, Belgium.)
Sources
1 Foundations for Medieval Genealogy, Medlands, Ida.