R’Leo Knul , Mnong village chief mahout in Vietnam Born 1871 in Vietnam dead 1941 in Vietnam . The tomb of R’Leo Knul lies next to his uncle’s tomb. Born in 1871, he succeeded Khunjunob as tribal chief, and developed the tradition of elephant Hunting and taming in the Village. R’Leo Knul tamed a white elephant for the late emperor Bao Dai. R’Leo Knul died in 1941 at the age of 70. The grave of Y Thu Knul in the middle. A year after his death, in 1939, his nephew R'Leo Knul held the ceremony of grave abandoning and had a tomb built for him in the M'Nong-Laos architectural style. The tomb of R'Leo Knul himself lies next to his uncle's tomb. Photo: © Dan Koehl, 2012.