Isabelle de l'Aigle was born circa 1100 to Richard II of the Aigle (1100-1176) and Béatrix d'Estouteville (1121-1178) and died circa 1187 of unspecified causes. She married Guillaume de Courcy (c1135-c1182) .
Children
| Name | Birth | Death | Joined with |
| Robert IV de Courcy (c1160-c1207) | 1160 | 1207 | Mathilde (given name) |
Footnotes (including sources)
| ‡ General |
| Ω Birth |
|
| ¶ Death |
|