A number of serious errors have been identified in Beatty's handling of his squadron at the Battle of Jutland: After the war a report of the battle was prepared by the Admiralty under First Sea Lord Rosslyn Wemyss.
Throughout 1919 there were discussions between Sir Hugh Trenchard Chief of the Air Staff and Sir Rosslyn Wemyss First Sea Lord as to the nature of the relationship between the Air Force and Air Ministry and the Navy and the Admiralty.
The harbour at Moudros was put under the control of British Admiral Rosslyn Wemyss, who was ordered to prepare the then largely unused harbour for operations against the Dardanelles.
His elder son James Erskine Wemyss (1789–1854) was a Rear-Admiral in the Royal Navy and the grandfather of Admiral of the Fleet Rosslyn Erskine-Wemyss, 1st Baron Wester Wemyss (12 April 1864 – 24 May 1933), known as Sir Rosslyn Wemyss between 1916 and 1919.
Although assured that he would be returned to command post-war, on 9 December 1918 the First Sea Lord, Admiral Sir Rosslyn Wemyss, wrote to Prince Louis informing him that he would not be employed again and suggested that he might retire in order to facilitate the promotion of younger officers.
Upon arrival in the Aegean Sea, Goliath joined the First Squadron, which included seven other battleships and four cruisers, and was commanded by Rear Admiral Rosslyn Wemyss.