With much internal troubles, Ashina Duobi was unable to aid Liang, and later in 628, with Emperor Taizong's brother-in-law Chai Shao (柴紹) sieging Liang's capital Shuofang (朔方, in modern Yulin, Shaanxi), Liang Shidu's cousin Liang Luoren (梁洛仁) assassinated Liang Shidu and surrendered, ending the final rival claim to Emperor Taizong's for China's imperial throne.
Yulin | Harris Yulin | Yulin, Shaanxi |
After rival Northern Wei's general Daxi Jin (達奚斤) captured the important city of Chang'an in 426, Helian Chang sent Helian Ding south in spring 427 from the capital Tongwan (統萬, in modern Yulin, Shaanxi) to try to capture Chang'an.
The city is bordered on the east by Maoming Municipality (茂名市); on the south by Wuchuan City (吴川市), Potou District (坡头区) and Suixi County (遂溪县), all in Zhanjiang; on the west by Anpugang Harbour (安铺港, part of the Gulf of Tonkin) and Beihai, in Guangxi Province; and on the north by Yulin.
The Han Dynasty reduced local authority and established military posts at Guilin, Wuzhou, and Yulin.