William (4th Earl of Derby) de Ferrers (1168-1247) |
Agnes De Kevelioch (1168- ) |
William (4th Earl of Pembroke) Marshal (1146-1219) |
Isabel (Countess Strigoil) De Clare (1174-1220) |
Joan (of Pembroke) Marshal ( -1235) |
William (5th Earl of Pembroke) Marshal (1190-1231) |
Isabel (of Pembroke) Marshal (1200-1240) |
Maud (of Pembroke) Marshal ( -1248) |
Walter (8th Earl of Pembroke) Marshal (1199-1245) |
William (5th\7th Earl of Derby) Ferrers (1193-1254) |