In the historical novel Romance of the Three Kingdoms by Luo Guanzhong , Liu Feng was adopted after Liu Shan was born , which proved controversial .
Liu Bei already had a biological son at the time who was far younger than Liu Feng.
In the historical novel Romance of the Three Kingdoms by Luo Guanzhong , Liu Feng was adopted after Liu Shan was born , which proved controversial because Liu Bei already had a biological son at the time who was far younger than Liu Feng.