William Montagu, 2nd Duke of Manchester British duke (1700–1739) (1700–1739) Parents Charles Montagu, 1st Duke of Manchester Doddington Montagu, Countess of Manchester Children Siblings Robert Montagu, 3rd Duke of Manchester unknown daughter Montagu unknown daughter Montagu Lady Dodington Montagu Charlotte Byng, Viscountess Torrington Partners Isabella Montagu, Duchess of Manchester