Who was Britain's oldest Prime Minister and lived in the Seaforth House built for his father?
Seaforth House Seaforth House was a mansion in Seaforth, Merseyside England built in 1813 for Sir John Gladstone, father of William Ewart Gladstone who was Prime Minister of the United Kingdom four times.
Robert Walpole (1650–1700) Colonel Robert Walpole (18 November 1650 – 18 November 1700) was an English Whig politician and soldier who represented the borough of Castle Rising from 1689 to 1700 in the House of Commons of England. Because he held the rank of Colonel in the militia, he was widely known as Colonel Walpole. He is mainly notable for being the father of Sir Robert Walpole. His son, who served during the reigns of George I and George II, is considered to have been the first Prime Minister of Great Britain. He is also known for being the "Guinness World Records" titular for having the world's longest overdue book.