Sidney Hobart-Hampden-Mercer-Henderson, 7th Earl of Buckinghamshire British noble (1860–1930) Parents Frederick John Hobart-Hampden, Lord Hobart Catherine Annesley Carr Children John Mercer-Henderson, 8th Earl of Buckinghamshire Lady Dorothy Edith Isabel Hobart-Hampden-Mercer-Henderson Sidney Farrar Siblings Lady Isabel Augusta Hobart-Hampden Lady Henrietta Vere Hobart-Hampden Lady Catherine Mary Valentia Hobart-Hampden Lady Albinia Frederica Hobart-Hampden Henry Frederick Edward John Hobart-Hampden