Mary Seymour (30 August 1548 – ?), born at her father’s country seat, Sudeley Castle in Gloucestershire, was the only daughter of ThomasSeymour, 1st Baron
Edward Stanhope Sir Henry Seymour (1503–1578) married Barbara, daughter of Morgan Wolfe ThomasSeymour, 1stBaronSeymour of Sudeley (c. 1508 – 20 March 1549)