Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 31 July 1102.
Place of Death: unknown.
The date is given by Rousseau (p. xciv).
(probable) Place of Burial: Saint-Aubain, Namur.
The place is given by Rousseau (p. xciv).
Relationships
(possible) Father: Bernhard II, duke in Saxony.
This relationship is given by père Anselme (2:756) and by Margue. Peter Stewart points out in a post to soc.geneaology.medieval that the primary evidence for Ida's parentage is far from satisfactory.
(possible) Mother: Eilika von Schweinfurt.
This relationship is given by Cawley.
Spouse: Frédéric II, duke of Lower Lotharingia (died 28 August 1065).
This relationship is given by père Anselme (2:756), by Borgnet, and by Murray (p. 16).
Spouse: Albert III, count of Namur.
This relationship is given by père Anselme (2:756), by Borgnet, and by Murray (p. 16).
Children (by Frédéric):
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Cawley.)
Judith married Waleran II, count of Arlon.
Children (by Albert):
Godefroi (died 19 August 1139), count of Namur, married (1) Sibylle de Porcien; married (2) Ermensende de Luxembourg.
Henri, count of La Roche, married Mathilde van Limburg.
Frédéric, bishop of Liège.
Albert married Mabile de Roucy.
Alix married Otto (II), count of Chiny.
References
Anselme de Sainte-Marie. Histoire Généalogique et Chronologique de la Maison Royale de France, des Pairs, Grands Officiers de la Couronne, de la Maison du Roy et des Anciens Barons du Royaume. 9 Volumes (Paris: 1726-1733).
Borgnet, J. “Albert III” in Biographie Nationale de Belgique Volume 1 (Bruxelles:1866).
Cawley, Charles. “IDA” in Medieval Lands: A prosopography of medieval European noble and royal families.
Margue, Michel. "Pouvoirs et espaces comtaux. Le cas des comtés ardennais (Xe - XIIIe siècle)" in Revue belge de Philologie et d'Histoire (2011: 89-2, pp. 507-532).
Murray, Alan V. The Crusader Kingdom of Jerusalem: A Dynastic History. (Prosopographica et Genealogica: 2000).
Rousseau, Félix. Actes des comtes de Namur de la première race 946-1196 (Brussels, 1936).