Rotrou IV du Perche, Comte du Perche, was born on an unknown date to Rotrou III du Perche (c1075-1144) and Hawise of Salisbury (1118-1152) and died 27 July 1191 Siege of Acre (1189–1191) of unspecified causes. He married Mathilde de Champagne (-1184) 1160 JL . Charlemagne (747-814).
|Geoffroy III du Perche (-1202)||5 April 1202 Soissons, France||Richenza von Braunschweig (1171-1210)|
|Étienne du Perche (-1205)|
|Guillaume du Perche (-1226)|