Donald Howard, 3rd Baron Strathcona and Mount Royal British Conservative politician (1891-1959) (1891–1959) Parents Margaret Howard, 2nd Baroness Strathcona and Mount Royal Robert Jared Bliss Howard Children Jonathan Howard Euan Howard, 4th Baron Strathcona and Mount Royal Barnaby Howard Diana Howard unknown daughter Howard Siblings Arthur Jared Palmer Howard Frances Howard Robert Henry Palmer Howard Edith Mary Palmer Howard Partners Diana Loder