William Montagu, 7th Duke of Manchester British politician (1823-1890) (1823–1890) Parents Millicent Sparrow George Montagu, 6th Duke of Manchester Children Lord Charles Montagu Louisa Acheson, Countess of Gosford George Montagu, 8th Duke of Manchester Mary Louise Montagu, Duchess of Hamilton Alice Stanley, Countess of Derby Siblings Lord Robert Montagu Lord Frederick Montagu Olivia Bennet, Countess of Tankerville Lord George Francis Montagu Lady Sydney Montagu Partners Louisa Cavendish, Duchess of Devonshire
