Thomas Knox, 2nd Earl of Ranfurly Irish politician (1786–1858) Parents Diana Jane Pery Thomas Knox, 1st Earl of Ranfurly Children unknown daughter Knox Lady Louisa Knox Lady Adelaide Knox Lady Mary Knox unknown daughter Knox William Knox Granville Knox Lady Juliana Knox unknown son Knox unknown son Knox Thomas Knox, 3rd Earl of Ranfurly Siblings Edmund Sexten Pery Knox James Knox John Henry Knox Partners Mary Stuart