 Both at Dhaka and later in their Kensington home he had the cooperation of his wife Mabel Hélène, daughter of Mr. H. J. Kisch (they were married in 1915, and three sons ensued).On the creation of the Indian Public Service Commission in 1926 Hartog was appointed a member and served until permitted to retire on family grounds in 1930.When the Indian Statutory Commission was set up in 1928 under Sir John (later Lord) Simon, Hartog was appointed chairman of the Auxiliary Committee on Education.