Duke Xian of Jin
He was the son of Duke De of Qin and the younger brother of Duke Cheng. He married Mu Ji (), the daughter of Duke Xian of Jin, and married his daughter Huai Ying (懷嬴) to two of Duke Xian's sons. He helped his son-in-law win the Battle of Chengpu against Chu; these two marriages led to the saying "the Friendship of Qin and Jin" (秦晉之好) to denote political marriages and alliances based on marital bonds. He is also noted as the retainer of Bole, the horse expert.