Mary Caroline, Duchess Grafton (1795-1873) (1795–1873) Parents George Cranfield Berkeley Lady Emilia Lennox Children Lady Mary Elizabeth Emily FitzRoy Augustus FitzRoy, 7th Duke of Grafton Lord Frederick Fitzroy Maria Louisa FitzRoy William FitzRoy, 6th Duke of Grafton Siblings Anne Louisa Emily Berkeley Georgiana Berkeley George Berkeley Grenville Berkeley Partners Henry FitzRoy, 5th Duke of Grafton