Family: John FitzAlan / Isabella de Mortimer (F2873)
m. 1260Roger de Mortimer (1221-1282) 
|
Maud Braose (1230-1301) |
| Ralph de Mortimer (1250-1274) |
Sir Edmund de Mortimer, Knight (1252-1304)  |
| Geoffrey de Mortimer (1254- ) |
| Roger de Mortimer (1256-1326) |
| William de Mortimer (1258-1297) |
| John FitzAlan (1246-1272) |
| Isabella de Mortimer (1248-1274)
|
| Maud FitzAlan (1263- ) |
| Richard FitzAlan, Earl Of Arundel (1267-1302) |
| Matilda FitzAlan (1269- ) |
| John FitzAlan (1271- ) |
| Amy FitzAlan (1273- ) |
| Eleanor FitzAlan (1275-1328) |