Horatio Walpole, 4th Earl of Orford, better known as Horace Walpole, was an English writer, art historian, man of letters, antiquarian, and Whig politician.

Field Marshal Henry Seymour Conway was a British general and statesman. A brother of the 1st Marquess of Hertford, and cousin of Horace Walpole, he began his military career in the War of the Austrian Succession. He held various political offices including Chief Secretary for Ireland, Secretary of State for the Southern Department, Leader of the House of Commons and Secretary of State for the Northern Department. He eventually rose to the position of Commander-in-Chief of the Forces.