High Quality Content by WIKIPEDIA articles! Yan Yu was the younger brother of Yan Baihu. Yu was an envoy for peace when Baihu was attacked by Sun Ce. During negotiations he proposed the dividing of Jiang Dong but was killed by Sun Ce in a bout of fury. He was well known and respected as a fierce warrior. After Sun Ce defeated Liu Yao,Imperial Inspector of Yangzhou, he led an army against Wujun, capital of Eastern Wu. Yan Yu was sent to Maple bridge to half Sun Ce's progress. Yan Yu's position was not held very long, he retreated into Wujun after a short fight. Sun Ce's forces surrounded the city and began a siege. On the third day, Yan Baihu decided to sue for peace and sent Yan Yu as an ambassador. Yan Yu was executed when he proposed dividing Jiang Dong between the two warlords. Sun Ce Sent Yu's head back to Yan Baihu.