Li Chengqian was the eldest son of Emperor Taizong of the Tang Dynasty, Li Shimin. He was conferred the title of Crown Prince and was the Third Prince.

Li Chengqian was the Qing Emperor's Crown Prince. He was ranked third and was one of the Qing Emperor's sons.
In Joy of Life, Li Chengqian was the Qing Emperor's crown prince and did not belong to any of the Qing Emperor's princes.
In Joy of Life, Li Chengqian was the Qing Emperor's crown prince and did not belong to any of the Qing Emperor's princes.
In Joy of Life, Li Chengqian was the Qing Emperor's crown prince and ranked third.
In Joy of Life, Li Chengqian was the Qing Emperor's crown prince and did not belong to any of the Qing Emperor's princes.
In Joy of Life, Li Chengqian was the Qing Emperor's Crown Prince. He did not belong to any of the Qing Emperor's princes.
In Joy of Life, Li Chengqian was the crown prince, not a few princes.
In Joy of Life, Li Chengqian was the Qing Emperor's Crown Prince. He did not belong to any of the Qing Emperor's princes.