Beatrice de Namur was born circa 1115 to Godefroi I de Namur (1068-1139) and Ermesinde von Luxemburg (1075-1143) and died 1160 of unspecified causes. She married Ithier de Rethel (c1095-1171) 1130 JL .
Children
| Name | Birth | Death | Joined with |
| Béatrix de Rethel (c1131-1185) | 1131 | 31 March 1185 | Roger II of Sicily (1095-1154) |
| Hugues de Rethel | |||
| Manassès IV de Rethel (c1135-1199) | 1135 | 31 March 1199 | Mathilde von Kyrburg (c1140-c1187) |
| Henri de Vitry (-1191) | |||
| Baudouin de Chemery (-1198) | |||
| Albert de Rethel (-1213) | |||
| Simon de Rethel | |||
| Clémence de Rethel (c1145-aft1191) | 1145 | 1191 | Hugues de Pierrepont |
| Fille de Rethel | |||
Residences