| | Elizabeth Mortimer 1370–1417 | | |
| | Maraget de Neville 1341–… | | |
| | Mary Plantagenet 1320–1362 | | |
| | Idoine de Clifford 1303–1365 | | |
| | | | | | Eleanor de Warenne 1244–… | | | | William de Percy 1193–1245 Eleanor (Ellen) de Baliol 1206–1281 | | | | Henry de Louvain de Percy 1156–… | | | | Josceline de Louvain 1130–… | | |
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| | | Ingelram de Baliol 1165–… | | | | Agnes de Picquigny 1148–… | | |
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| | | Isabella de Mortimer 1248–… |
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