July 1447, he married Anne of York, the eldest child of Richard, Duke of York, and Cecily Neville. She was an older sister of Edward IV and Richard III. He had one legitimate child: Anne Holland (1461 – between 26 August 1467 and 6 June 1474), who married Thomas Grey, 1st Marquess of Dorset. Since Henry had no legitimate male issue the disposition of his estates became a complex matter for his widow, the dowager Duchess of Exeter. See also List of people who disappeared mysteriously at sea List of unsolved deaths Ancestry References External links 1430 births 1475 deaths 15th-century English Navy personnel 103 Earls of Huntingdon Formerly missing people Heirs to the English throne Henry Henry Lord High Admirals of England Military personnel from Devon Military personnel from Exeter People lost at sea People of the Wars of the Roses Unsolved deaths in the United Kingdom