Sir Henry Percy, 5th Lord Percy, 2nd Earl of Northumberland, Constable of England Warden of the Marches of Scotland.
He was born on 3 February 1393 at of Warkworth, Northumberland, England; Age 22 in 1417.
He married Eleanor Neville, daughter of Sir Ralph Neville, 1st Earl Westmoreland, 4th Baron Neville and Joan Beaufort, between 28 February 1416 and 18 March 1416 at Berwick, Northumberland, England.
They had 9 sons (Sir Henry, 6th Earl of Northumberland, 6th Lord Percy; William, Bishop of Carlisle; Sir Richard; George, Rector of Rothbury; John; Sir Thomas, Lord Egremont; Sir Ralph; John; & Henry) and 3 daughters (Joan; Katherine, wife of Sir Edmund, 4th Lord Grey of Ruthin & 1st Earl of Kent; & Anne, wife of Sir Thomas Hungerford, of Sir Laurence Raynesford, & of Sir Hugh Vaughan).
Sir Henry Percy, 5th Lord Percy, 2nd Earl of Northumberland, Constable of England died on 22 May 1455 at 1st Battle of St. Albans, St. Albans, at age 62; Buried in the Lady Chapel, St. Albans Abbey, Hertfordshire.
Eleanor Neville b. 1398, d. c 1473
Sir Ralph Percy, Seneschal at Alnwick d. 25 Apr 1464
Sir Henry Percy, 3rd Earl Northumberland, 6th Lord Percy b. 25 Jul 1421, d. 29 Mar 1461
Sir Thomas Percy, 1st Baron Egremont b. 29 Nov 1422, d. 10 Jul 1460
Katherine Percyb. 28 May 1423, d. bt 2 May 1493 - 17 Oct 1493
Collins, A. & Brydges, E. (1812). "Percy, Duke of Northumberland." Collins's Peerage of England Genealogical, Biographical, and Historical, (Vol. II, 217-366). London: F.C. and J. Rivington, Otridge and Son. Print. (eBook at archive.org)
Horsefield, T.W. (1835). The History, Antiquities, and Topography of the County of Sussex, (Vol.2, pp.176). SussexPress. Google Books.
Lewis, (n.d.). Our Royal, Titled, Noble, and Commoner Ancestors. (see Magna Carta Sureties under Notable People; Weis, 1999). Sir Henry Percy.
It may be possible to confirm family relationships with Henry by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: