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.
Arthur Pearson (British politician) Arthur Pearson CBE (31 January 1897 – 14 October 1980) was a Labour Party politician in the United Kingdom. Pearson was one of eight children of William, born in Saltney, Chester and Margaret (Lewis) Pearson. His father was employed as a Chain Maker in the chain works in Pontypridd. He was elected Member of Parliament (MP) for Pontypridd at a 1938 by-election, and served until his retirement at the 1970 general election. He was a government whip as Comptroller of the Household from 1945 to 1946, and Treasurer of the Household from 1946 until 1951. He was appointed CBE in the 1980 Birthday Honours.