Sultan Jamal ul-Azam (1862–1881)
The proxy of Mohammad Pulalun Kiram. On 22 January 1878, he signed a treaty under which the territory of the eastern part of northern Borneo was ceded to an Austro-Hungarian consul Baron von Overbeck .[1] [2] References [1] List of Sulu Sultan - https://en.wikipedia.org/wiki/List_of_sultans_of_Sulu [2] International Court of Justice (2003). Summaries of Judgments, Advisory Opinions, and Orders of the International Court of Justice, 1997-2002 . United Nations Publications. pp. 268–. ISBN 978-92-1-133541-5 .