Family: 5th Earl of Derby William De Ferrers / Sibyl Marshal (F5119)
1st Earl of Pembroke William Marshal (1146-1219) 
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Lady Abergavenny Eva Marshal (1203-1246)  |
| 2nd Earl of Pembroke William Marshal (1190-1231) |
| 3rd Earl of Pembroke Richard Marshal (1191-1234) |
| Mehelt Marshal (1194-1248) |
| 4th Earl of Pembroke Gilbert Marshal (1197-1241) |
| 5th Earl of Pembroke Walter Marshal (1199-1245) |
| Isabel Marshal (1200-1240) |
| 6th Earl of Pembroke Anselm Marshal (1198-1245) |
| Joan Marshal (1202-1234) |
| 5th Earl of Derby William De Ferrers (1193-1254)
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| Sibyl Marshal (1201-1245)
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| Agnes De Ferrers ( -1290) |
| Isabel De Ferrers ( -1260) |
| Maud De Ferrers ( -1298) |
| Joan De Ferrers ( -1267) |
| Agatha De Ferrers ( -1306) |
| Eleanor De Ferrers ( -1274) |
