Hon. Ronald John Sholto Douglas was born on 22 April 1890, the son of Sholto George Douglas, 19th Earl of Morton and Hon. Helen Geraldine Ponsonby.
He married Alexandra Albertha Jean Hamilton, daughter of Admiral Sir Frederick Tower Hamilton and Maria Walpole Keppel, on 28 June 1920. They had a daughter, Victoria Maria Douglas, b. 25 Mar 1921, d. 9 Dec 1994
He fought in the First World War as a Lieutenant in the Royal Naval Volunteer Reserve. He was invested as an Officer, Order of the British Empire (O.B.E.).
He served on HMS Zedwhale (See below).
He died on 31 January 1922 at age 31, from illness contracted in the War. He is shown as deceased on the Conaglen memorial.