John Montagu, 5th Earl of Sandwich British politician (1744–1814) Parents Dorothy Montagu, Countess of Sandwich John Montagu, 4th Earl of Sandwich Children Henrietta Susannah Montagu William Augustus Montagu Lady Mary Montagu Caroline Montagu John George Montagu Francis Charles Montagu Harriet Montagu George Montagu, 6th Earl of Sandwich Siblings William Augustus Montagu Edward Montagu Augusta Montagu Robert Montagu Mary Montagu Basil Montagu Partners Lady Mary Henrietta Powlett Lady Elizabeth Montagu
