Juqu Mujian
Later in 437, Emperor Taiwu married his sister Princess Wuwei to Juqu Mujian, and Juqu Mujian sent his heir apparent Juqu Fengtan (沮渠封壇) to Pingcheng to be a hostage. Despite this, he continued to consider conquering Northern Liang, but at Li Shun's urging, delayed it.