Who is the offspring of XXX?
Horatio Walpole, 1st Baron Walpole
Horatio Walpole, 1st Baron Walpole, PC (8 December 1678 -- 5 February 1757), English diplomatist, was a son of Robert Walpole of Houghton, Norfolk, and a younger brother of the Prime Minister of Great Britain Sir Robert Walpole.
Robert Walpole