Agnès de Beaugency was born circa 1110 to Raoul I de Beaugency (1068-1113) and Matilda de Vermandois (1080-1130) and died circa 1157 of unspecified causes. She married Enguerrand II de Coucy (c1110-aft1147) 1131 JL .
Children
| Name | Birth | Death | Joined with |
| Raoul I de Coucy (c1134-1191) | 1134 | November 1191 Acre | Agnes de Hainaut (1142-1168) Alix de Dreux (1156-aft1217) |
| Enguerrand de Coucy | |||
Footnotes (including sources)
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