Henry Percy, 1st Earl of Northumberland
Baron Percy
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Henry Percy, 1st Earl of Northumberland, 4th Baron Percy, titular King of Mann, KG, Lord Marshal was the son of Henry de Percy, 3rd Baron Percy, and a descendant of Henry III of England. Wikipedia
Born: November 10, 1341, Alnwick Castle, Alnwick, United Kingdom
Died: February 20, 1408 (age 66 years), Bramham cum Oglethorpe, United Kingdom
Children: Henry Percy, Sir Ralph de Percy, Sir Thomas Percy, and more
Grandchildren: Henry Percy, 2nd Earl of Northumberland, Lady Elizabeth Percy, Elizabeth Percy, and more
Parents: Henry Percy, 3rd Baron Percy and Mary of Lancaster
Spouse: Maud de Lucy (m. 1383–1398) and Margaret Neville (m. 1358–1372)
Siblings: Thomas Percy, 1st Earl of Worcester