Family: John FitzGeoffrey / Isabel Bigod (F2923)
Hugh Bigod, 3rd Earl Norfolk (1186-1225) 
|
Maud Marshall (1192-1248)
|
Sir Hugh Bigod (1216-1266)  |
| Simon Bigod (1220-1270) |
| John FitzGeoffrey (1215-1238) |
| Isabel Bigod (1222-1239)
|
| John FitzJohn (1240-1275) |
| Isabel FitzJohn (1240- ) |
| Maud FitzJohn (1250-1301) |