Li Yang

In 423 AD, the ninth year of the Yuanjia era of the Liu Song Dynasty, Ge Chang, a Minpu from Yongchang Commandery in the south, joined forces with Dong Ruan of the Liao Zi tribe to invade Mangguan Mountain, which was guarded by the Jiu Liao tribe, attempting to force them to jointly resist General Longyan in order to disrupt the imperial court. At this time, Longyan was in the capital, and his two sons, Phosphorus Shaozheng, and the daughter of the leader of the Jiuliao tribe, Amixun