Gongsun Yuan ( pronunciation ) (died c. September 238), courtesy name Wenyi , was a Chinese military general, politician, and warlord who lived in the state of Cao Wei during the Three Kingdoms period of China. He rebelled against Wei in 237 and declared himself "King of Yan " ( 燕王 ). In 238, the Cao Wei general Sima Yi led forces to Liaodong and successfully conquered Yan .
7-469: Gongsun Yuan was a son of Gongsun Kang , a warlord who controlled Liaodong , Xuantu, Lelang and Daifang commanderies in the late Eastern Han dynasty . He became a vassal of the state of Cao Wei during the Three Kingdoms period. When Gongsun Kang died, his sons Gongsun Huang and Gongsun Yuan were still too young at the time to succeed him, so his younger brother Gongsun Gong took over. In 228,
14-599: A grown-up Gongsun Yuan seized power from his uncle Gongsun Gong and imprisoned him. Although Gongsun Yuan was nominally a vassal of the Cao Wei state, he considered switching allegiance to Wei's rival state, Eastern Wu . Gongsun Yuan eventually yielded under pressure from the Wei emperor Cao Rui . He killed the Wu delegates but some of them fled to Goguryeo . The Wu emperor Sun Quan attempted to form an alliance with Goguryeo to launch
21-472: A pincer attack on Gongsun Yuan, but Goguryeo eventually sided with Wei against Gongsun Yuan. In 237, the Wei emperor Cao Rui felt insecure about Gongsun Yuan's influence in the northeast, so he sent the general Guanqiu Jian to lead an army of Chinese, Wuhuan and Xianbei troops to attack Gongsun Yuan, but floods caused the campaign to be aborted. Gongsun Yuan declared himself "King of Yan" ( 燕 ) and concluded an alliance with Eastern Wu. The following year,
28-717: The Daifang Commandery by separating the southern half from the Lelang commandery. Although Goguryeo defeated the first invasion and killed Balgi, Kang invaded Goguryeo again in 209 and seized some of its territory and weakened Goguryeo. Pressure from Liaodong forced Goguryeo to move their capital in the Hun River valley to the Yalu River valley near Hwando . When Gongsun Kang died, his younger brother Gongsun Gong succeeded him because his sons were still young at
35-452: The Wei generals Sima Yi and Guanqiu Jian led a campaign against Gongsun Yuan. Gongsun Yuan was defeated and killed while his clan was exterminated . As a consequence, Liaodong and present-day northwest Korea became Wei territories. This biographical article related to the military of China is a stub . You can help Misplaced Pages by expanding it . Gongsun Kang Gongsun Kang ( pronunciation ; fl. 200s to 210s)
42-540: Was a Chinese military general, politician, and warlord who lived during the late Eastern Han dynasty . He became a vassal of the state of Cao Wei in the early Three Kingdoms period. Gongsun Kang was a son of Gongsun Du , the Administrator of Liaodong appointed by the Han central government. In 204, he inherited his father's appointment and controlled the territories of Liaodong, Xuantu and Lelang commanderies. He
49-612: Was nominally subject to the Han chancellor Cao Cao , while keeping his domain semi-independent of the central government. In c. December 207 , when Yuan Shang and Yuan Xi fled to Liaodong after being defeated by Cao Cao's forces, Gongsun Kang killed the Yuans and sent their heads to Cao Cao. In 204, Gongsun Kang helped invade Goguryeo after the older brother of King Sansang of Goguryeo , Balgi, went to Gongsun Kang and requested 30,000 soldiers to invade Goguryeo so that Balgi could become king. Around this time, Kang established
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