Mary Dundas (died 1830) (1787–1830) Parents Charlotte FitzWilliam Thomas Dundas, 1st Baron Dundas Children Anne Wentworth Fitzwilliam William Wentworth-Fitzwilliam, Viscount Milton Albreda Elizabeth Fitzwilliam Charles Wentworth-FitzWilliam George Wentworth-FitzWilliam Lady Frances Laura Wentworth FitzWilliam William Wentworth-Fitzwilliam, 6th Earl Fitzwilliam Siblings Margaret Dundas Charles Dundas Lawrence Dundas, 1st Earl of Zetland George Dundas Charlotte Dundas Anne Dundas William Lawrence Dundas Isabella Dundas Dorothy Dundas Thomas Lawrence Dundas Robert Lawrence Dundas Thomas Lawrence Dundas Frances Laura Dundas Partners Charles Wentworth-Fitzwilliam, 5th Earl Fitzwilliam