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
Arthur Capell, 6th Earl of Essex aged 52 and so the Earl of Essex title passed to Arthur Algernon's grandson, George Capell. Photographic portraits of the 6th Earl are held in the collection of the National Portrait Gallery, London. Arthur Capell, 6th Earl of Essex Arthur Algernon Capell (27 January 1803 – 11 September 1892) was an English aristocrat who succeed to the title Earl of Essex in 1839. Arthur Algernon Capell was the son of Hon. John Thomas Capel and Lady Caroline Paget. He was the grandson of William Capell, 4th Earl of Essex from William's second marriage to Harriet Bladen. He was given the