The title of Baron Walpole of Walpole in the County of Norfolk, was created in the Peerage of Great Britain in 1723 for Robert Walpole, son of Sir Robert Walpole in honour of and during the lifetime of his father, the "de facto" first Prime Minister of Great Britain, with special remainder, failing male issue, to his brothers Edward Walpole and Horace Walpole, in default of this then to the heirs male of his father, and in default of this then to the heirs male of his grandfather Sir Thomas Walpole.