About the cavalier.
Wilfrid Allan Egerton
Rear-Admiral Wilfrid Allan Egerton, Royal Navy (17 May, 1881 – 18 July, 1931) was an officer in the Royal Navy.
Born in Brompton, London, the son of R. A. Egerton, a surveyor.
Egerton was promoted to the rank of Lieutenant on 15 October, 1902.
Egerton was promoted to the rank of Commander on 31 December, 1913 and appointed that same day to Minotaur to serve as Flag Commander to Vice-Admiral Jerram.
The Great War
Egerton transferred from Minotaur to the battleship Triumph on 30 November, 1914. He was in her until she was torpedoed and lost off Gallipoli on 25 May, 1915. He was appointed to Dreadnought on 5 July, 1915.
Egerton was transferred from Dreadnought to H.M.S. Barham as Flag Commander to Rear-Admiral Hugh Evan-Thomas on 17 February, 1916. Two days later, he was operated on for appendicitis. Granted some leave and hospitalised once more, he was found fit again on 8 March. He fought at the Battle of Jutland in Barham and moved with Evan-Thomas to Queen Elizabeth on 4 June, 1916, retaining his role as Flag Commander and also taking on War Staff duties.
Egerton married Helen Cunningham on 20 June, 1916 at Brompton Oratory and was transferred back to Barham on 12 July, 1916 – to remain in her through the end of the war.
Post-War
Egerton was promoted to the rank of Captain on 31 December, 1918.
Egerton was the primary author of a pamphlet entitled "Progress in Naval Gunnery, 1914-1918",[7] which was promulgated in July, 1919. It was deemed "an admirable pamphlet – clear, concise and convincing."
Egerton was appointed in command of the light cruiser Southampton in October, 1921.
Egerton was appointed in command of the battleship Queen Elizabeth in May, 1928.
On 7 May, 1930, Egerton was appointed as President of a week-long Court of Enquiry into an explosion that had occurred in H.M.S. Vernon.
Egerton was promoted to the rank of Rear-Admiral on 23 May, 1930. The next year was filled with Senior Officers Tactical and War Courses. The last of these, a Tactical Course, commenced on 4 May, 1931. Egerton died of septic poisoning on 18 July.
Source: http://www.dreadnoughtproject.org/tfs/index.php/Wilfrid_Allan_Egerton