On 4 October 1892 the eldest Cavenagh-Mainwaring daughter, Eva, married Herbert James Gedge, a naval officer.
|Eva Gedge née Cavenagh (1867 - 1941) in about 1907|
|Family Notices. (1892, November 25). Table Talk (Melbourne, Vic. : 1885 - 1939), p. 19. Retrieved from http://nla.gov.au/nla.news-article145710099|
I think for most of his posting Lieutenant Gedge was stationed in Sydney. I checked the passenger list of the Ballaarat for his name. He was a passenger from Sydney together with five other Lieutenants in the Royal Navy, two naval doctors, and two other naval officers.