| Family |
Henry De PERCY, BARON PERCY, b. 6 Feb 1300 OR 1301, , Leconfield, Yorkshire, England d. 26 Feb 1351 OR 1352, , Warkworth, Northumberland, England (Age 51 years) |
| Children |
| | 1. Margaret De PERCY, b. Abt 1318, Of, Alnwick, Northumberland, England d. 3 Sep 1376, Gyng, New Buttsbury, Essex, England (Age 58 years) |
| | 2. Henry de PERCY, 3rd Baron Percy, b. 1320, Of Castle Alnwick, Northumberland, England d. 18 May 1368 (Age 48 years) |
| | 3. Richard PERCY, b. 1322, Of, Alnwick, Northumberland, England d. Yes, date unknown |
| | 4. Roger De PERCY, b. Abt 1324, Alnwick, Northumberland, England d. Yes, date unknown |
| | 5. Robert PERCY, b. 1326, Of, Alnwick, Northumberland, England d. Yes, date unknown |
| | 6. Isabel De PERCY, b. Abt 1326, Of, Alnwick, Northumberland, England d. 1368 (Age 42 years) |
| | 7. Thomas De PERCY, BISHOP OF NORWICH, b. 1328, Of, Alnwick, Northumberland, England d. 1369 (Age 41 years) |
| | 8. William PERCY, b. 1332, Of, Alnwick, Northumberland, England d. Yes, date unknown |
| | 9. Maud De PERCY, b. Abt 1335, Of, Warkworth Castle, Alnwick, Northumberland, England d. 18 Feb 1378 OR 1379 (Age 44 years) |
| | 10. Eleanor PERCY, b. Abt 1336, Of, Alnwick, Northumberland, England d. Bef 1368 (Age < 31 years) |
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