《资治通鉴·汉纪·汉纪十五》
马宏先前是汉朝派往西域各国的使者，光禄大夫王忠的副使，因受到匈奴军队的拦截，王忠战死，马宏被俘，也不肯投降匈奴。
马宏者，前副光禄大夫王忠使西国，为匈奴所遮；忠战死，马宏生得，亦不肯降。
Ma Hong was originally an envoy sent by the Han to various states in the Western Regions, serving as Vice Minister to Grand Master of Imperial Carriages Wang Zhong, they were intercepted by the Xiongnu army and Wang Zhong died in battle. Ma Hong was taken prisoner but refused to surrender to the Xiongnu.