Edward Villiers, 5th Earl of Clarendon a seat he retained until the following year, when he succeeded his father in the earldom and took his seat in the House of Lords. In 1895 he was appointed a Lord-in-waiting in the Unionist administration of Lord Salisbury, a position he held until 1900, when he was promoted to Lord Chamberlain of the Household and admitted to the Privy Council. He retained this office also when Arthur Balfour became Prime Minister in 1902. The government fell in December 1905 and Clarendon was never to return to office. Apart from his political career Lord Clarendon was also Lord-Lieutenant of Hertfordshire
Records of Prime Ministers of the United Kingdom to at least one other Prime Minister by blood or marriage. Two sets of father and son have successively held the office: The only brothers to hold the office were Henry Pelham, who was succeeded on his death in 1754 by the Duke of Newcastle. Pitt the Younger and Lord Grenville (who directly succeeded the latter in office) were the only set of full cousins to hold the office, their fathers being brothers-in-law. There have been three blood uncle-nephew sets of Prime Ministers: Lord Wilmington was two-greats uncle of Spencer Perceval, whose mother, Catherine ( Compton), Baroness Arden, was a