World of HYDE
Discovering our Ancestors and their descendants to all parts of the world. Last updated 15th March 2026.
Family: Henry Percy, 1st Earl Of Northumberland / Margaret Neville (F66782)
m. 1358
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 | Sir Henry De Percy, 3rd Lord Of Alnwick And 11th Baron Warden Of The Marches High Sheriff Of Northumberland (1322-1368)
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 | Mary Plantagenet (1320-1362)
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| Elsabeth Percy (1341- ) |
| Thomas Percy (1343-1403) |
| Isabel Percy (1346- ) |
| Ralph De Neville, 2nd Baron Neville Of Raby (1290-1367)
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| Baroness Alice De Audley (1301-1374)
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| Baroness Euphemia De Neville (1327-1394)  |
| Matilda Neville (1336-1438) |
| Sir Ralph De Neville, Kt (1332-1368) |
| Sir Robert De Neville (1337-1370) |
| Baron John De Neville, 3rd Baron Raby (1337-1388) |
| Sir William De Neville (1338-1394) |
| Eleanor Neville (1340-1398) |
| Henry Percy, 1st Earl Of Northumberland (1341-1408)
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| Margaret Neville (1339-1372)
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| Ralph De Percy (1359-1397) |
| Isolda De Percy (1359-1436) |
| Sir Thomas Percy (1366-1388) |
| Lady Margaret De Percy (1368-1401) |