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) . Charlemagne (747-814)/s, Hugh Capet (c940-996)/s.
|Offspring of Robert IV de Courcy and Mathilde (given name)|
|Laurence de Courcy (-1240)|
|Richard II de Courcy (c1190-c1237)||1190||1237||Mabille du Hommet (c1200-1257)|
|Mathilde de Courcy|