The prototype of King Sima Hong of Jin is Sima Yao, the ninth emperor of China's Eastern Jin Dynasty.
Sima Yao: courtesy name Changming, the ninth emperor of the Eastern Jin Dynasty of China. He is the sixth son of Sima Yu, Emperor Wen of Jin Dynasty, and his mother is Li Lingrong.
Sima Yao was named King of Kuaiji when he was four years old. In 372, on the eve of the death of Emperor Jianwen of Jin Dynasty, he was appointed crown prince and inherited the throne at the age of eleven. He died at the age of thirty-five. After his death, he was given the temple name Liezong and his posthumous title Emperor Xiaowu. He was buried in Longping Mausoleum. Sima Yao is good at calligraphy and literature, and has a collection of two volumes. "Chunhua Pavilion Tie" contains his calligraphy work "Qiao Wang Tie".
Sima Hong is one of the characters in the TV series "Lonely Love", while Sima Yao is a real historical figure.