What years did ponsonby baronet serve a conservative politician before they became a prime minister
Anthony Eden Robert Anthony Eden, 1st Earl of Avon, (12 June 1897 – 14 January 1977) was a British Conservative politician who served three periods as Foreign Secretary and then a relatively brief term as Prime Minister of the United Kingdom from 1955 to 1957.
William Holmes (MP) William ("Billy") Holmes (2 April 1779 – 26 January 1851) was a Tory and Conservative politician in the United Kingdom in the early nineteenth century. He was an MP for 28 years.