Adrian Malcolm Conan Doyle (19 November 1910 – 3 June 1970) was the youngest son of Sir Arthur Conan Doyle and his second wife Jean, Lady Doyle or Lady Conan Doyle. He had two siblings, sister Jean and brother Denis, as well as two half-siblings, sister Mary and brother Kingsley.Adrian Conan Doyle has been depicted as a race-car driver, big-game hunter, explorer, and writer.