Goguryeo, Mahan and Yemaek besieged the Xuantu castle; the King of Buyeo sent his son to join in the attack and crushed them. (Book of the Later Han (Hou Hanshu), Annals 後漢書卷5 孝安帝紀 建光1年)
Suseong sent three thousand men to attack the two commanderies of Xuantu and Liaodong, burned their walls and killed more than two thousand. (Samguk Sagi (History of the Three Kingdoms) 卷15 太祖大王 69年)
The king surrounded Xuantu fortress with more than ten thousand cavalry from Mahan and Yemaek, but was badly defeated by Buyeo's relief army. (Samguk Sagi (History of the Three Kingdoms) 卷15 太祖大王 69年)tradition