Yang Jun (prince)

Yang Jun (楊俊) (571^[1] – 4 August 600^[2]), nickname Azhi (阿祇), formally Prince Xiao of Qin (秦孝王), was an imperial prince of the Chinese Sui dynasty. He was a son of Emperor Wen (Yang Jian) and his powerful wife Empress Dugu, who died as a result of an illness caused by poisoning by his jealous wife Princess Cui. His son Yang Hao was later briefly declared emperor by the general Yuwen Huaji after Yuwen killed his brother Emperor Yang in 618.

^ According to Yang Jun's biography in Book of Sui, he was 12 (by East Asian reckoning) in the 2nd year of the Kaihuang era of Yang Jian's reign. Thus by calculation, his birth year should be 571. (开皇元年立为秦王。二年春，拜上柱国、河南道行台尚书令、洛州刺史，时年十二。) Sui Shu, vol.45
^ According to Yang Jian's biography in Book of Sui, Yang Jun died on the dingchou day of the 6th month of the 20th year of the Kaihuang era of his reign. This corresponds to 4 Aug 600 in the Julian calendar. ([开皇二十年]六月丁丑，秦王俊薨。 ) Sui Shu, vol.02

[1] According to Yang Jun's biography in Book of Sui, he was 12 (by East Asian reckoning) in the 2nd year of the Kaihuang era of Yang Jian's reign. Thus by calculation, his birth year should be 571. (开皇元年立为秦王。二年春，拜上柱国、河南道行台尚书令、洛州刺史，时年十二。) Sui Shu, vol.45

[2] According to Yang Jian's biography in Book of Sui, Yang Jun died on the dingchou day of the 6th month of the 20th year of the Kaihuang era of his reign. This corresponds to 4 Aug 600 in the Julian calendar. ([开皇二十年]六月丁丑，秦王俊薨。 ) Sui Shu, vol.02

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