 When Zhuge Dan rebelled in Shouchun, Sun Chen, the regent of Wei's rival state Eastern Wu, ordered the general Quan Yì () and others to lead Wu forces to support Zhuge Dan.Quan Yì had disagreements with his relatives Quan Hui () and Quan Yí (), who were in the Wu capital, Jianye (建業; present-day Nanjing, Jiangsu).Quan Hui and Quan Yí brought along their families and followers and defected to Wei.