Earl of Salisbury children: to his son Edward in 1485 until his execution for treason in 1499, and to Edward's sister, Margaret Pole, Countess of Salisbury, in 1513 until she was also executed, and the title again forfeited, in 1539. In 1605 the title was given to Robert Cecil, 1st Earl of Salisbury, a close advisor to James I. Cecil was a son of Queen Elizabeth I's chief advisor, William Cecil, 1st Baron Burghley. For information on this creation, see the Marquess of Salisbury. Some sources call Edward Plantagenet, 17th Earl of Warwick (1475–1499) also Earl of Salisbury, but "there is no reason
Thomas Weston, 4th Earl of Portland Boteler and widow of the 1st Earl of Newport, but they had no children. When he died, his estates passed to his nieces, the daughters of the 2nd Earl, but his title became extinct. Thomas Weston, 4th Earl of Portland Thomas Weston, 4th Earl of Portland (9 October 1609 – May 1688) was a younger son of the 1st Earl of Portland, by his second wife Frances Walgrave. He was born at Nayland in Suffolk, England. His elder brother Jerome succeeded their father in 1635, and passed the title to his own son, Charles, in 1662. However, the 3rd Earl