[2] His father Liu Tan was the chief official of the Court of Judicature and Revision during the Sui dynasty.
[4] After he was rescued, Li Yuan restored his positions, and later promoted him to be the chief minister of the Ministry of Justice.
In the early reign of Emperor Taizong of Tang, Liu Zhenghui was appointed as a regional military chief commander of Hongzhou.
His elder son Liu Xuanyi inherited his title, which later changed to the Duke of Yu, and he married Emperor Taizong's third daughter Princess Pingnan.
[6] His younger son Liu Qi was framed by Wu Zetian's cruel officials in 690s and was executed.