Henry Percy, 2nd Earl of Northumberland, was born 3 February 1392 to Henry Percy (1364-1403) and Elizabeth Mortimer (1371-1417) and died 22 May 1455 First Battle of St Albans of unspecified causes. He married Eleanor Neville (1398-1472) October 1414 JL .
Children
| Name | Birth | Death | Joined with |
| John Percy (1418-) | |||
| Henry Percy, 3rd Earl of Northumberland (1421-1461) | 25 July 1421 | 29 March 1461 | Eleanor Poynings (c1422-1484) |
| Thomas Percy, 1st Baron Egremont (1422-1460) | |||
| Katherine Percy (1423-c1475) | 18 May 1423 Leconfield, Yorkshire, England, United Kingdom | 1499 England, United Kingdom | Edmund Grey, 1st Earl of Kent (1416-1490) |
| George Percy (1424-1474) | |||
| Ralph Percy (1425-1464) | 11 August 1425 Leckonfield, Yorkshire, England, United Kingdom | 25 April 1464 Hedgeley Moor, Northumberland, England, United Kingdom | Eleanor Acton (1427-1456) Jane Teye (1425-1448) |
| Richard Percy (c1426-1461) | |||
| William Percy (1428-1462) | |||
| Joan Percy (c1430-1482) | |||
| Ann Percy (c1436-1522) | |||
Footnotes (including sources)
| ‡ General |
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