赫连勃勃
In order to strengthen his place, he became allied to Yao Xing, emperor of Later Qin. He aided Later Qin against Daowu in 403. In one occasion, his horse tributes to Qin were seized by Helian Bobo in 407. He continued to raid Northern Wei in 407 and 409. In one of those battles in 410, Emperor Mingyuan sent one of his advisors, Baba Song (拔拔嵩) the Duke of Nanping to attack the Rouran, and when Baba was surrounded by Shelun's troops, Emperor Mingyuan personally led an army to relieve Baba. Shelun died from his wounds in May 410 and was succeeded by his brother Yujiulü Hulü, because his sons Duba (度拔) and Sheba (社拔) were still young.