Who was Britain's oldest Prime Minister and lived in the Seaforth House built for his father?
William Ewart Gladstone William Ewart Gladstone, ( ; 29 December 1809 – 19 May 1898) was a British Liberal statesman and earlier Conservative politician. In a career lasting over 60 years, he served as Prime Minister four separate times (1868–74, 1880–85, February–July 1886 and 1892–94), more than any other person, and served as Chancellor of the Exchequer four times. Gladstone was also Britain's oldest Prime Minister; he resigned for the final time when he was 84 years old.
Sir Charles Trevelyan, 3rd Baronet Sir Charles Philips Trevelyan, 3rd Baronet, {'1': ", '2': ", '3': ", '4': "} (28 October 1870 – 24 January 1958) was a British Liberal Party, and later Labour Party, politician and landowner. He served as President of the Board of Education in 1924 and between 1929 and 1931 in the first two Labour administrations of Ramsay MacDonald.