John Montagu, 4th Earl of Sandwich English Peer and statesman; inventor of the sandwich (1718–1792) Parents Elizabeth Popham Edward Montagu, Viscount Hinchingbrooke Children Edward Montagu Augusta Montagu William Augustus Montagu Mary Montagu Robert Montagu Basil Montagu John Montagu, 5th Earl of Sandwich Siblings Elizabeth Montagu William Montagu unknown daughter Montagu Henry Seymour unknown Montagu Mary Seymour Partners Fanny Murray Dorothy Montagu, Countess of Sandwich Martha Ray
