She thus recommended to Emperor Taizong that he make her one of his daughters - in - law .
Emperor Taizong agreed , taking her to be the wife and princess of Taizong 's ninth son Li Zhi the Prince of Jin .
She thus recommended to Emperor Taizong that he make her one of his daughters - in - law , and Emperor Taizong agreed , taking her to be the wife and princess of his ninth son Li Zhi the Prince of Jin .