Powys-Lybbe forbears
| Geoffrey FitzPiers Earl of Essex (ca1162 - 1213) |
Hugh Bigod Earl of Norfolk ( - <1224) |
| Aveline de Clare ( - <1225) |
Matilda Marshal ( - <1248) |
| Sir John FitzGeffery | Isobel Bigod |
 b. ca 1208d. 23 Nov 1258 . Lord of Shere, Surrey. Justiciar of Ireland: 1245-1256. Kt: by May 1251. |
b. ca 1210, ? Thetford, Norfolk d. . Not an heir as her brother Hugh had a daughter Joan with issue. |
| Spouses: 1, 2 |
Children
| John FitzJohn Richard FitzJohn Lord FitzJohn > Maud FitzJohn < > Isabel FitzJohn < > Avelina FitzJohn < > Joan FitzJohn < |