| Birth |
1364 |
Alnwick Castle, Yorkshire, England |
| Died |
1403 |
KIA battle of shrewsbury |
| |
| Father |
Henry (1st Earl of Northampton,4th baron perch,King of Mann) Percy, b. 10 Nov 1341, Alnwick, Northumberland, , England |
| Relationship |
natural |
| Mother |
Margaret Neville, b. 12 Feb 1341, Raby, Durham, , England |
| Relationship |
natural |
| Married |
12 Jul 1358 |
Brancepeth, Durham, , England |
| |
| Family 1 |
Elizabeth "Lady Percy" MORTIMER, b. 12 Feb 1370/71, Usk, Monmouthshire, Wales |
| Married |
Bef 10 Dec 1379 |
| Children |
| | 1. Elizabeth de PERCY, b. 1390, Warkworth Castle, Alnwick, Northumberland, England |
|
| |
| Children |
| + | 1. Henry ( 2nd Earl of Northumberland) Percy, b. 03 Feb 1392, Alnwick, Northumberland, , England |
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