Robert IV de Courcy, Lord of Courcy, Lord of Ecajeul, was born circa 1160 to Guillaume de Courcy (c1135-c1182) and Isabelle de l'Aigle (c1140-c1187) and died circa 1207 of unspecified causes. He married Mathilde (given name) .
Children
| Name | Birth | Death | Joined with |
| Laurence de Courcy (-1240) | |||
| Richard II de Courcy (c1190-c1237) | 1190 | 1237 | Mabille du Hommet (c1200-1257) |
| Mathilde de Courcy | |||
Footnotes (including sources)
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