Claim: Sir Henry Wentworth(born 1448) 4th Baron le Despencer of Nettlestead, Suffolk, was the grandfather of Henry VIII's third wife, Jane Seymour and the son of Roger Wentworth who served in the army of King Henry VI in the Wars of the Roses.
Evidence: Henry Wentworth, born about 1448, was the only son and heir of the courtier Sir Philip Wentworth (d. 18 May 1464) of Nettlestead, Suffolk, beheaded after the Battle of Hexham, and Mary Clifford, daughter of John Clifford, 7th Baron de Clifford, by Lady Elizabeth Percy, the daughter of Henry Percy.