sentences:  At the time of her birth, her father was the second-most senior noble in the English peerage; her maternal grandfather Edward Stafford, 3rd Duke of Buckingham, the most senior.After Buckingham's execution in 1521, her father was one of only two dukes in the Kingdom, (the other being Charles Brandon, 1st Duke of Suffolk).This changed in 1525, when Henry VIII elevated Henry FitzRoy, his six-year-old illegitimate son by Elizabeth Blount, to the Dukedom of Richmond and Somerset.