Rohais de Grandmesnil was born 1080 to Hugues I de Grandmesnil (1030-1093) and Aélis de Beaumont-sur-Oise (c1056-1091) and died circa 1127 of unspecified causes. She married Robert II de Courcy (-1131) .
Children
| Name | Birth | Death | Joined with |
| Guillaume de Courcy | |||
| Robert III de Courcy | |||
| Raoul de Courcy (c1105-1152) | 1105 | 1152 | |
Residences
Footnotes (including sources)
| ‡ General |
| ¶ Death |
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