李秀成
Qin Rigang (秦日綱, 1821 – 1856), né Qin Richang (秦日昌), was a Hakka military leader of the Taiping Rebellion, known during his military tenure as the King of Yen (燕王). He served under Hong Xiuquan's Taiping Administration and led Taiping forces to many military victories. He was executed by Hong Xiuquan in 1856 because he had killed the family and followers of Shi Dakai during the Tianjing Incident. Chen Yucheng and Li Xiucheng were trained and taught by Qin.