Elizabeth Percy was born circa 1395 to Henry Percy (1364-1403) and Elizabeth Mortimer (1371-1417) and died 26 October 1436 of unspecified causes. She married John Clifford, 7th Baron de Clifford (1388-1421) . She married Ralph Neville, 2nd Earl of Westmorland (1406-1484) 1426 JL .
Children
| Name | Birth | Death | Joined with |
| Thomas Clifford, 8th Baron de Clifford (1414-1455) | 26 March 1414 | 22 May 1455 | Joan Dacre (c1418-bef1455) |
| Mary Clifford (c1416-1478) | 1416 Appleby, Westmoreland, England, United Kingdom | 4 October 1478 | Philip Wentworth (1424-1464) |
| Henry Clifford (c1418-aft1460) | |||
| Name | Birth | Death | Joined with |
| John Neville (-1450) | |||
Footnotes (including sources)
| ‡ General |
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