Lan Han
Lan Han was an uncle of Murong Bao's father Murong Chui ( Emperor Wucheng ) , the founding emperor of Later Yan , as a younger brother of his mother Consort Lan ( although some references indicate that he was her cousin , not her brother ) , and in 384 he assisted Murong Chui's son Murong Nong in starting a rebellion against Former Qin to assist Murong Chui's main rebellion . 
<triplet> Murong Nong <subj> Murong Chui <obj> father