1257 - 1282 (25 years)
 | John de Percy 1270- |
| John de Percy | |
| B: | 1270 |
| Sussex, England | |
| George Percy, Royal Yeoman Abt 1270-1348 |
| George Percy, Royal Yeoman | |
| B: | Abt 1270 |
| Great Chalfield, Wiltshire, England | |
| D: | 1348 |
| Margaret de Chaldefield Abt 1274-Aft 1348 |
| Margaret de Chaldefield | |
| B: | Abt 1274 |
| Great Chalfield, Wiltshire, England | |
| M: | Abt 1300 |
| Great Chalfield, Wiltshire, England | |
| D: | Aft 1348 |
| William de Percy 1271- |
| William de Percy | |
| B: | 1271 |
| Sussex, England | |
| D: | Galloway, Wigtown, Scotland |
| Baroness of Percy Mary Plantagenet 1319-1362 |
| Baroness of Percy Mary Plantagenet | |
| B: | 1319 |
| Tutbury, Staffordshire, England | |
| D: | 1 Sep 1362 |
| Berwick Castle, Berwick, Wiltshire, England | |
| 12 Baron Sir Henry de Percy, IV 1322-1368 |
| 12 Baron Sir Henry de Percy, IV | |
| B: | 1322 |
| Castle, Alnwick, Northumberland, England | |
| M: | 1344 |
| Tutbury, Staffordshire, England | |
| D: | 13 May 1368 |
| Berwick Castle, Berwick, Wiltshire, England | |
| Earl Henry de Percy, III 1301-1353 |
| Earl Henry de Percy, III | |
| B: | 6 Feb 1301 |
| Leckonfield, East Riding, Yorkshire, England | |
| D: | 25 Feb 1353 |
| Alnwick Castle, Alnwick, Northumberland, England | |
| Countess of Percy Ideona de Clifford 1303-1365 |
| Countess of Percy Ideona de Clifford | |
| B: | 1303 |
| Castle, Clifford, Hereford, England | |
| M: | 1314 |
| Yorshire, England | |
| D: | 24 Aug 1365 |
| Roger Percy Abt 1330-CHILD |
| Roger Percy | |
| B: | Abt 1330 |
| Raby-Keverstone Castle, Staindrop, Durham, England | |
| D: | CHILD |
| Raby-Keverstone Castle, Staindrop, Durham, England | |
| Eleanor Percy Abt 1328-Bef 1368 |
| Eleanor Percy | |
| B: | Abt 1328 |
| Raby-Keverstone Castle, Staindrop, Durham, England | |
| D: | Bef 1368 |
| John Fitzwalter Abt 1318-Yes, date unknown |
| John Fitzwalter | |
| B: | Abt 1318 |
| Cumberland, England | |
| M: | Abt 1342 |
| of, , Cumberland, England | |
| D: | Yes, date unknown |
| Thomas de Percy, Bishop 1333-1369 |
| Thomas de Percy, Bishop | |
| B: | 1333 |
| Alnwick, Northumberland, England | |
| D: | 1369 |
| Isabel de Percy Abt 1324-1368 |
| Isabel de Percy | |
| B: | Abt 1324 |
| Alnwick, Northumberland, England | |
| D: | 1368 |
| Margaret de Percy, Baroness of Grooby Abt 1332-1376 |
| Margaret de Percy, Baroness of Grooby | |
| B: | Abt 1332 |
| Alnwick, Northumberland, England | |
| D: | 3 Sep 1376 |
| Gyng, Buttsbury, Essex, England | |
| Sir. William de Ferrers, Baron 1333-1371 |
| Sir. William de Ferrers, Baron | |
| B: | Between 28 Feb 1332 and 1333 |
| of Grooby, Ratby, Leicester, England | |
| M: | Bef 25 May 1368 |
| of Grooby, Ratby, Leicester, England | |
| D: | Between 8 Jan 1370 and 1371 |
| Stebbing, Essex, England | |
| William Percy 1332- |
| William Percy | |
| B: | 1332 |
| Raby-Keverstone Castle, Staindrop, Durham, England | |
| Sir. Henry IV de Percy, Baron 1322-1368 |
| Sir. Henry IV de Percy, Baron | |
| B: | 1322 |
| Castle, Alnwick, Northumberland, England | |
| D: | 18 May 1368 |
| Berwick Castle, Berwick, Wiltshire, England | |
| Joan de Oreby, Baroness of Astley 1350-1369 |
| Joan de Oreby, Baroness of Astley | |
| B: | Between Apr 1349 and 1350 |
| Lincolnshire, England | |
| M: | Bef May 1365 |
| Castle, Alnwick, Northumberland, England | |
| D: | 29 Jul 1369 |
| Castle, Alnwick, Northumberland, England | |
| Mary Plantagenet, Baroness of Percy 1319-1362 |
| Mary Plantagenet, Baroness of Percy | |
| B: | 1319 |
| Tutbury, Staffordshire, England | |
| M: | 1344 |
| Tutbury, Staffordshire, England | |
| D: | 1 Sep 1362 |
| Maud de Percy Abt 1335-1379 |
| Maud de Percy | |
| B: | Abt 1335 |
| Alnwick, Northumberland, England | |
| D: | Between 18 Feb 1378 and 1379 |
| Sir. John de Neville, Baron 1328-1388 |
| Sir. John de Neville, Baron | |
| B: | 1328 |
| Raby-Keverstone Castle, Staindrop, Durham, England | |
| M: | Jul 1357 |
| Alnwick, Northumberland, England | |
| D: | 17 Oct 1388 |
| Newcastle Upon Tyne, Northumberland, England | |
| Earl Henry III de Percy 1301-1353 |
| Earl Henry III de Percy | |
| B: | 6 Feb 1301 |
| Leckonfield, East Riding, Yorkshire, England | |
| D: | 25 Feb 1353 |
| Alnwick Castle, Alnwick, Northumberland, England | |
| Countess of Percy Ideona de Clifford 1303-1365 |
| Countess of Percy Ideona de Clifford | |
| B: | 1303 |
| Castle, Clifford, Hereford, England | |
| M: | 1314 |
| Yorkshire, England | |
| D: | 24 Aug 1365 |
| Earl Earl Henry de Percy, II 1273-1314 |
| Earl Earl Henry de Percy, II | |
| B: | 25 Mar 1273 |
| Petworth Castle, Alnwick, Northumberland, England | |
| D: | Oct 1314 |
| Abbeydale, Yorkshire, England | |
| Countess of Percy Eleanor FitzAlan Abt 1272-1328 |
| Countess of Percy Eleanor FitzAlan | |
| B: | Abt 1272 |
| Arundel, Sussez, England | |
| M: | Abt 1299 |
| Alnwick, Northumberland, England | |
| D: | Jul 1328 |
|
| Eleanor de Warenne 1257-1282 |
| Eleanor de Warenne | |
| B: | 1257 |
| Sussex, England | |
| D: | 1282 |
| Earl Henry de Percy, I 1235-1272 |
| Earl Henry de Percy, I | |
| B: | 1235 |
| Petworth, Sussex, England | |
| M: | 8 Sep 1268 |
| York, East Riding, Yorkshire, England | |
| D: | 29 Aug 1272 |
| Sallay, West Riding, Yorkshire, England | |
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