| | Henry de Percy 1392/93 CE–1455 | | |
| | Henry “Hotspur” de Percy 1364–1403 Elizabeth Mortimer 1370/71 CE–1417 | | |
| | Margaret de Neville 1327/28 CE– | | |
| | Mary Plantagenet 1320–1362 | | | | Henry Plantagenet 1281–1345 | | | | Edmund “Crouchback” Plantagenet 1244/45 CE–1296 | | | | Henry III Plantagenet King of England 1207–1272 | | |
| |
|
|
|
| | | Idonea de Clifford 1303–1365 | | | | Eleonor FitzAlan 1273–1328 | | | | Eleanor (Alianore) de Warenne 1251–1282 | | | | William de Percy 1178–1245 | | |
| | | John de Warenne 1231–1304 | | |
|
|
| | | Isabella Mortimer 1248–1292 | | |
|
|
| |
|
|
|