 Yang Jian's concubine had earlier given birth to a posthumous son, Yang Zhengdao, and Yang Zhengdao was created the King of Sui () by Ashina Duojishi's brother and successor the Chuluo Khan Ashina Qilifu.Yang Zhengdao later returned to China during the reign of Emperor Taizong of Tang and was made "Yuanwai sanqi shilang" ().Yang Jian's male descendants through his only surviving son, Yang Shenjin and his two brothers, later were forced to commit suicide in 747 by Emperor Xuanzong due to their conspiracy with Yang Guozhong against the other Tang officials, ending the male-line of Sui imperial house of Yang.