Bailuyuan Yu Huzi has a historical prototype, which is Yu Youren in the Republic of China.
Yu Youren (1879.04.11-1964.11.10), Han nationality, was born in Sanyuan, Shaanxi Province. His ancestral home was Doukou Yu Village, Jingyang. He was a modern Chinese politician, educator, and calligrapher. His original name was Bo Xun, with the Chinese character "Ling Ke". Later, he took the name "Liao Xin" which is a homophony of "Your Ren". He also signed the names "Sao Xin" and "Beard Weng", and in his later years he called himself "Tai Ping Old Man".