Henry FitzRoy, 5th Duke of Grafton British politician (1790-1863) (1790–1863) Parents Charlotte FitzRoy, Duchess of Grafton George FitzRoy, 4th Duke of Grafton Children William FitzRoy, 6th Duke of Grafton Maria Louisa FitzRoy Augustus FitzRoy, 7th Duke of Grafton Lord Frederick Fitzroy Lady Mary Elizabeth Emily FitzRoy Siblings Lord Charles FitzRoy Lady Elizabeth Anne FitzRoy Isabella St. John Maria Anne Fitzroy Partners Mary Caroline, Duchess Grafton