Interactive tree of William IX Duke of Aquitaine

Alfonso II Count of Provence 1174–1209

Garsenda Countess of Forcalquier 1180–1242

Alfonso II of Aragon 1157–1196

Sancha of Castile 1154–1208

Petronila of Aragon 1136–1173

Ramon Berenguer IV Count of Barcelona 1113–1162

Agnes of Aquitaine –1159

Ramiro II of Aragon 1075–1157

William IX Duke of Aquitaine 1071–1126

Countess of Toulouse Philippa 1073–1118