In the fourteenth year of Daye (618), the Xiaoguo army, which was co-led by Yu Wenhua and as the co-leader, launched the "Jiangdu Mutiny", and Yang Guang, the second emperor of the Sui Dynasty, was strangled to death by the Xiaoguo army. Although there were still several Yang clans with the title of emperor after the death of the Sui Emperor Yang Guang, the Sui Dynasty had actually perished after the "Jiangdu Mutiny", and the Sui Emperor Yang Guang became the emperor of the Sui Dynasty.
However, some people find it strange that the Sui Dynasty was established after the Usurpation of Northern Zhou by Yang Jian (Emperor Wen of Sui), a foreign relative of Northern Zhou. After Yang Jian controlled the supreme power of Northern Zhou, he launched a great purge of the Yuwen clan of the Northern Zhou imperial family, and the nobles of the Northern Zhou clan were almost killed. Since the Northern Zhou Sect was almost all killed by Yang Jian, why did Yang Guang still die at the hands of Yu Wenhua and his hands?
There is a Chinese saying: "The same surname is each sect", two families with the same surname are not necessarily the same ancestor, and the same is true of the Yuwen clan. According to historical records, the earliest surname of Yu culture and this clan was Broken Wild Head. Yu Wenhua and his ancestors were originally servants of the Xianbei chief Yuwen Qiandougui, and later changed his surname to Yuwen with his master. This kind of "slave following the master's surname" was not uncommon in ancient times.
Although his surname was changed to Yuwen, Yuwen Qiandougui did not regard the Broken Wild Head clan as a relative of Yuwen Zong, and his status as a servant did not change. According to historical records, yuwen tai, the de facto founder of northern Zhou, was the fifth generation grandson of Yuwen Qiandougui. After the establishment of the Northern Zhou Dynasty, the Broken Wild Head Clan, who was a hereditary servant of the Imperial Yuwen Clan, was also regarded as a chicken dog ascending to heaven, barely joining the ranks of the Guan Longshi Clan.
In view of the large number of official eunuch families with the surname Yuwen at that time, most of the Northern Zhou clans purged by Yang Jian were descendants of the Yuwentai brothers, and the Yuwen family, which was far related to the Yuwentai brothers or were not the same ancestor at all, basically escaped the disaster. In addition to the broken wild head clan who changed their surname to Yuwen Clan, the famous great architect Yuwen Kai and the famous minister Yuwen Bi both became high-ranking officials and nobles in the Sui Dynasty.
During the reign of Emperor Wen of Sui, Yuwen Shu, a representative of the original Barbarian clan who changed his surname to Yuwen, actively supported Yang Guang, the Prince of Jin, in the battle for the crown prince. By the time of the Sui Dynasty, Yuwen Shu became one of the most powerful "five nobles" of the Sui Dynasty and became one of the core leaders of the Guanlongshi clan. Because of this, xiaoguojun only promoted Yuwen Shu's son Yu Wenhua and became the co-lord during the "Jiangdu Mutiny".