What is duan hong?

Some articles on duan hong, duan:

Murong Chao - Reign
... from the officials Murong Zhong (慕容鍾) the Prince of Beidi and Duan Hong (段宏), whom Murong De had entrusted with great responsibilities ... Murong Zhong, Murong Fa, and Duan Hong therefore entered into a conspiracy in which Feng Song (封嵩) and Empress Dowager Duan were also involved in, but Empress Dowager Duan, in fear, eventually revealed ... to attack Murong Zhong, Murong Fa, and Duan Hong ...