Richilde von Egisheim was born circa 1020 and died 18 March 1086 Messina of unspecified causes. She married Herman de Mons (?-1051) 1040 JL . She married Baldwin VI of Flanders (c1030-1070) 31 March 1051 JL . She married William fitzOsbern (c1020-1071) 1070 JL .
Richilde played a major role in the formation of the County of Hainaut. Her parents are not known. Her mother may have been a daughter of Hugo V. von Dagsburg (c997-1049) or his brother. Her father may have been a grandson of Regnier III de Hainaut (c920-973).
|Offspring of Richilde von Egisheim and Herman de Mons (?-1051)|
|Rogier de Mons (c1041-1093)||1041||1093|
|Gertrude de Mons (c1042-c1089)||1041||1089|
|Offspring of Richilde von Egisheim and Baldwin VI of Flanders (c1030-1070)|
|Arnulf of Flanders (?-1071)||1071|
|Baldwin de Hainaut (1056-1098)||1098||Ide de Louvain (1077-1139)|
|Agnes of Flanders (c1050-aft1071)||1050||1071|