William; married Mary Boleyn, sister of Queen Anne Boleyn, and was ancestor of the Careys, Lord Hunsdon and Earls of Dover, and the Careys Earls of Monmouth. [Burke's Peerage]
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William Cary, b. c 1495, d. 22 June 1528, Gentleman of the Privy Chamber and Esquire of the Body of King Henry VIII; married 31 Jan 1520/1 Mary Boleyn, d. 19 July 1543 (sister of Queen Anne, and past mistress of Henry VIII). [Magna Charta Sureties]
Note: Henry VIII, not William Cary, was father of William & Mary's son Henry. See notes under Henry Carey.