Career
Baron de Overbeck was appointed as the Maharaja Sabah, Rajah Gaya and Sandakan in a treaty which was signed by Sultan Abdul Momin of Brunei on 29 December 1877. As in 1877, the Brunei Sultanate then still believed and maintained that the territory of North Borneo was in fact still under the control of the Brunei Sultanate. Baron de Overbeck was also appointed as Dato Bendahara and Raja Sandakan in a second treaty signed by Sultan Jamalalulazam of Sulu appointing Baron de Overbeck on 22 January 1878.
Rainer Pape: Gustav Freiherr von Overbeck (1830–1894).