Kyrill:
"After graduating from the Sea Cadet Corps and Nikolaev Naval Academy, on January 1, 1904, Cyril was promoted to Chief of Staff to the Russian Pacific Fleet in the Imperial Russian Navy. With the start of the Russo-Japanese War, he was assigned to serve as First Officer on the battleship Petropavlovsk, but the ship was blown up by a Japanese mine at Port Arthur in April 1904. Cyril barely escaped with his life, and was invalided out of the service suffering from burns, back injuries and shell shock."
"From 1909-1912, he served on the cruiser Oleg and was its captain in 1912. In 1913, he joined the Maritime Division of the Imperial Guards and was made Commander of the Naval Guards in 1915."