| b 1230, Beaudesertcastle, Warws, , England | Thurstan De Montfort | d 1287, | Henry De Montfort | |
| Thurstan De Montfort | b 1160 | Peter Corbuceo | ||
| | b 1190 | Emma Corbuceo | |||
| Peter De Montfort | d 1217 | b 1159 | ||
| |b 1220 | | | |||
| |d 12 Aug 1265 | ||||
| | | ||||
| Peter De Montford | ||||
| |Matilda De La Warr | | | Henry Aldithley | ||
| | | |b 1199 | |||
| Alice De Aldithley | ||||
| b 1225 | | | |||
| 1 | John De Montfort, [Baron Montfort] | 2 | < | Elizabeth De Montfort, [Baroness] |