1209 - 1272 (63 years)
| Walter DE CORNWALL Bef 1240-Yes, date unknown |
| Walter DE CORNWALL | |
| B: | Bef 1240 |
| D: | Yes, date unknown |
|
| Richard PLANTAGENET, Earl Of Cornwall 1209-1272 |
| Richard PLANTAGENET, Earl Of Cornwall | |
| B: | 5 Jan 1209 |
| D: | 2 Apr 1272 |
| Berkhampstead Castle, Herts, ENG | |
| Isabel D.Of WILLIAM MARSHAL | |
| M: | 1231 |
| D: | 1240 |
