We know that the ancestors of the Northern Wei Dynasty established the DaiGuo as early as the Sixteen Kingdoms period. But you may not know that daiguo was originally a duchy, or was it the Western Jin Emperor who was crowned by the Tuoba clan, what is going on?
The only acting duke, Tuoba Yilu. Tuoba Yilu was the grandson of Tuoba Liwei, whose father Tuoba Desert Khan died in Wei Wan's divisive plan. In the fifth year of Yuan Kang (295 AD), the then head leader of Xianbei Suo, Tuoba Lulu's uncle and Tuoba Luguan divided the territory into three, Tuoba Lu officials themselves commanded the east, Tuoba Yilu's brother Tuoba Yilu ruled the central region, and Tuoba Yilu ruled the west. But with the death of the other two in the following years, Tuoba Yilu eventually reunited the three ministries.
At that time, the Xiongnu betrayed the Western Jin Dynasty, and Tuoba Yilu did not participate in it, but made friends with Liu Kun and repeatedly helped Liu Kun to overcome dangers. Liu Kun then became brothers with Tuoba Yilu and requested Emperor Huai of Jin to make Tuoba Yilu the Duke of Daidanyu and dai jun, with Dai Commandery as his food.
However, due to the fact that Dai County belonged to Youzhou, this made Wang Jun very dissatisfied, and eventually met Tuoba Lu Bingrong. Tuoba Yilu, on the other hand, because the fiefdom of Dai Commandery was too far away from the place where he lived, could not be united with his people, so he led more than 10,000 tribes from the clouds into Yanmen and asked Liu Kun for the area north of Jurchen. Liu Kun had to make a compromise because he had asked for him, so he moved the people of the five counties, including Lou Fu, Mayi, Yinguan, Fanqi, and Kun County, to the south of Juju, to rebuild the town, and to give Tuoba Yilu all the land bounded to Dai County in the east, Xihe and Shuofang in the west, and hundreds of miles of land. In return, Tuoba Yilu also repeatedly sent troops to help Liu Kun, who was in crisis.
In the third year of Jianxing (315 AD), Emperor Huan of Jin ordered Tuoba Yilu to be the acting king, allowing him to set up bureaucratic institutions at all levels under him, with Dai Commandery and Changshan Commandery as food. However, only a year later, Tuoba Yilu was eventually killed by his eldest son Tuoba Liuxiu because of the issue of heirs.