| Male Sir William FitzWilliam, of Emley and Sprotborough |
| Birth | Abt 1265 | |
| Death | Between 12 Apr 1340 and 1342 | |
| Burial | ||
| Marriage | ||
| Father | Sir William FitzThomas | F0928 Group Sheet | |
| Mother | Agnes Metham | F0928 Group Sheet | |
| Male Sir John FitzWilliam, of Sprotborough |
| Birth | Abt 1290 | |
| Death | 10 Aug 1349 | |
| Burial | ||
| Spouse | Joan Reresby | F0919 | |
| Marriage | ||