Louis Isaac Alphonse de Malzac (22 June 1822 – April 1860) was a French diplomat turned slave trader and hunter.
Born in Sauve, Gard, France on 22 June 1822,[1] de Malzac left on a diplomatic mission to Egypt in 1850 but became a slave trader there.
[2] One of the first French people, he entered Bahr el Ghazal, founded Rumbek in 1858[3] and had himself proclaimed "King of the White Nile".
[7] Alexandre Vayssière, who accompanied him at the beginning for his ivory trade, as well as the Austrian vice-consul in Khartoum, Joseph Natterer, disavowed his methods and separated from him.
[3][8] He died in April 1860 at Gondokoro while preparing an expedition to the sources of the Nile with Alfred Peney.