The Chronicle of Alberic de Trois-Fontaines refers to the wife of "Gerardum…primus comes Wanderi Montis" as "filiam comitis de Daburc, neptem sancti Leonis papa" but does not name her or her father.
Heiress of Egisheim. “Helwigis comitissa, filia comitis Gerhardi de castro Egensheim…cum filiis ambobus laycis Hugone maiore et minore Udalrico” donated property to the church of Strasbourg by charter dated 1118. 1
Marriage Information:
Heilwig married Cte Gérard I DE VAUDÉMONT, son of Duc Gérard I "le Grand" DE HAUTE-LORRAINE and Hedwige (Hadewide) DE NAMUR, about 1080. (Gérard I DE VAUDÉMONT died in 1108.)
Sources
1 Foundation for Medieval Genealogy, Medlands: Heilwig.