Lord Redesdale was a title in the British peerage, associated with the Redesdale family. The title was created in 1816 and is part of the House of Lords. The family is known for its historical connections to the Northumberland region and has produced notable figures in British history. The most famous holder of the title was Lord Redesdale, who was also known as Sir Algernon Bertram Freeman-Mitford. He was a prominent writer and served as a diplomat in Japan during the late 19th century. His experiences inspired his literary works, including the popular book "Tales of Old Japan."