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.
Prince John of the United Kingdom Prince John of the United Kingdom (John Charles Francis; 12 July 1905 – 18 January 1919) was the fifth son and youngest of the six children born to King George V and his wife, Queen Mary. At the time of John's birth, his father was the Prince of Wales and heir apparent to the reigning monarch of the United Kingdom, Edward VII. In 1910, George succeeded to the throne upon Edward's death and John became the fifth in line of succession.