In 642, Emperor Taizong changed Li Yuanji's posthumous title to the greater title of Prince of Chao, and adopted his own son, by Consort Yang (Li Yuanji's widow), Li Ming (李明) the Prince of Cao (note difference in title) into Li Yuanji's line, as Li Yuanji's heir.
In 642, Emperor Taizong upgraded Li Yuanji's posthumous title to Prince of Chao and included his adopted son, Li Ming (the Prince of Cao), by Consort Yang (Li Yuanji's widow) in the line of succession for Li Yuanji.