Augusta Montagu Illegitimate daughter of the Earl of Sandwich (b. 1767) Parents Martha Ray John Montagu, 4th Earl of Sandwich Children Charles de Viry Alexandre, Baron de Viry Siblings Robert Montagu Mary Montagu Basil Montagu William Augustus Montagu Edward Montagu John Montagu, 5th Earl of Sandwich Partners François Joseph Marie Henri La Perrière de Viry