1882 Apr 23. , born Landport, Portsea, Hampshire. His father would appear to be Charles Hope Robertson (from parents marriage), a naval Lt in 1879, who later became a full Admiral
1891 census at : 94, St Andrews Road, Portsea, Portsmouth
1900 May 25 Commissioned Midshipman in RNR
1907 Sep 14 Promoted Sub-Lt in RNR
1915 Feb 10 Promoted Lt in RNR
1919 Sep 10 On RNR Retired List with disability Pension
1919 Oct 16. The undermentioned to be temp. Lts . for duty with I.W.T . — Charles Arthur Robertson (late temp. Lt. , R.N.R.) .
1920 Sep 3. Joined ADRIC with service no 408
1920 Oct 15. Discharged "absent without leave".
1923 Feb 16 . Arrives UK from India. Army officer living in India
1923 Feb 20. Promoted Lt-Commander (retired)
1923 Mar 3. Leaves UK for New York. British Officer living in India
1939 Living in Kensinton with Clara. At 35 Princedale Road , Kensington, London, He is a Clerk in Engineering Section of GPO, London Telephone Service
1941 Jun 6. Died Kensington