FemaleSibyl MARSHALL |
| Birth | Abt 1204 | Pembroke, Pembroke, Wales |
| Christening | 1209 | , St. David's, Pembrokeshire, Wales |
| Death | 27 Apr 1245 | |
| Burial | ||
| Other Spouse | William de FERRERS, 5th Earl of Derby | F2239 | |
| Marriage | Bef 14 May 1219 | Of, Pembroke, Pembrokeshire, Wales |
| Other Spouse | Ingeram PRATELLIS | F2241 | |
| Marriage | ||
| Father | William MARSHALL, Earl of Pembroke | F736 Group Sheet | |
| Mother | Isabel de CLARE | F736 Group Sheet | |