| | Sir Henry de Percy 2nd Baron Percy 1298–1352 Idonea de Clifford 1300–1365 | | | | Henry de Percy 1st Baron Percy of Alnwick 1273–1314 Eleanor FitzAlan 1270–1328 | | | | Eleanor de Warenne Plantagenet 1251–1282 | | | | William de Percy 1185–1245 Joan de Briwere 1193–1233 Ellen de Balliol 1206–1281 | | |
| | | John Plantagenet de Warenne 1231–1304 Alice de Lusignan 1229–1255 | | |
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| | | Robert de Clifford 1st Baron Cifford 1274–1314 |
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