Emperor Xiaowen of Northern Wei were married to Han elites, the Liu Song royal Liu Hui (刘辉), married Princess Lanling (蘭陵公主) of the Northern Wei, Princess Huayang (華陽公主) to Sima Fei (司馬朏), a descendant of Jin dynasty (266–420) royalty, Princess Jinan (濟南公主) to Lu Daoqian (盧道虔), Princess Nanyang (南阳长公主) to Xiao Baoyin (萧宝夤), a member of Southern Qi royalty. Emperor Xiaozhuang of Northern Wei's sister the Shouyang Princess was wedded to The Liang dynasty ruler Emperor Wu of Liang's son Xiao Zong 蕭綜. One of Emperor Xiaowu of Northern Wei's sisters was married to Zhang Huan, an ethnic Han, according to the Book of Zhou. His name is given as Zhang Xin in the Book of Northern Qi and History of the Northern Dynasties which mention his mariage to a Xianbei princess of Wei. His personal name was changed due to a naming taboo on the emperor's name. He was the son of Zhang Qiong. When the Eastern Jin dynasty ended Northern Wei received the Jin prince Sima Chuzhi (司馬楚之) as a refugee. A Northern Wei Princess married Sima Chuzhi, giving birth to Sima Jinlong (司馬金龍). Northern Liang Xiongnu King Juqu Mujian's daughter married Sima Jinlong. Split into Eastern Wei (534–550) and Western Wei (535–557) In that same year of 523 a revolt of several military garrisons, the Rebellion of the Six Garrisons (Liu Zhen) was caused by a food shortage far north of Luoyang. After this was suppressed, the government had 200,000 surrendered garrison rebels deployed to Hebei, which proved later to be a mistake when a former garrison officer organized another rebellion in the years 526–527. The cause of these wars was the growing rift between the governing aristocracy which was increasingly adopting Han-style sedentary policies and lifestyles and their nomadic tribal armies who continued to preserve the old steppe way of life. The Northern Wei court was betrayed by one of their own generals, who had the empress dowager and the young emperor thrown into the Yellow River while establishing his own puppet ruler to maintain authority. As conflict swelled in the north between successive leaders, Gao Huan took control of the east and Luoyang (holding Emperor Xiaojing of Eastern Wei as a puppet ruler) by 534, while his rival Yuwen Tai took control of the west and the traditional Chinese capital of Chang'an by 535. The Western regime was dominated by the sinicized nobles and their