Family background and early life
Feng Ba's grandfather Feng He (馮和) was ethnically Han Chinese and was said to have settled down in Shangdang Commandery (上黨, roughly modern Changzhi, Shanxi) in the aftermaths of the conquest of the northern half of Jin during the reign of Emperor Huai of Jin by Han Zhao. Feng Ba's father Feng An (馮安) later served the Western Yan emperor Murong Yong as a general.
Feng An (馮安), Western Yan general
Princess Sun (created 409)
Consort Song, mother of Prince Shouju
Yujiulü Zhaoyi (郁久闾昭仪), daughter of Yujiulü Hulü, Khan Aidougai of Rouran (married 414)https://zh.wikipedia.org/zh-tw/%E9%A6%AE%E8%B7%8B