He was given the byname Gasteblé (lit wheat-spoiler) when he destroyed a field of wheat while hunting in his youth. He was a supporter of Blanche of Castile during her regency after the death of Louis VIII in 1226. Yolande of Dreux (1212–1248), who married Hugh IV, Duke of Burgundy
John I (1215–1249), later Count of Dreux.
Robert (1217–1264), Viscount of Châteaudun.
Peter (1220–1250), a cleric.