Robert Walpole British diplomat (1736-1810) (1736–1810) Parents Mary Magdalen Lombard Horatio Walpole, 1st Baron Walpole Children Edward Walpole Horatio Walpole Henry Walpole John Walpole Francis Walpole unknown Walpole Robert Walpole Siblings Thomas Walpole Mary Walpole Horatio Walpole, 1st Earl of Orford Richard Walpole Partners Sophia Stert Diana Grosset