Feng Ba (d. 430), courtesy name Wenqi (文起), nickname Qizhifa, formally Emperor Wencheng of (Northern) Yan ((北)燕文成帝), was an emperor (but using the title "Heavenly Prince" ("Tian Wang")) of the Chinese state Northern Yan. He became emperor after Gao Yun (Emperor Huiyi), whom he supported in a 407 coup that overthrew Murong Xi of Later Yan, was assassinated in 409. Wikipedia
The definitive Wikipedia entry for Feng Ba. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Feng_Ba