Mayfair, London, England====Camelford House=== Camelford House The Marriott London Park Lane, at No. 140 Park Lane, opened in 1919.[22] The site was once occupied by Somerset House and Camelford House. The 11th Duke of Somerset, renamed his house "Somerset House", which Sir John Colville later called "a shade presumptuous of him, for there was another more splendid establishment bearing the nam...