Grandfather-grandson relationship refers to a relationship between a man and a woman who is very different in age. Although this relationship was not recognized in modern society, it still existed in some cultures. There has been one of the greatest age differences between grandfather and grandson in history, and the most famous one was the relationship between the English poet Byron and his granddaughter, Evita Buchanan. Evita Buchanan was Byron's great-granddaughter. They were thirty-two years apart. This kind of relationship between grandfather and grandson, which had a large age gap, was also reflected in the novel. For example, in 'Dream of the Red Chamber', the age gap between Jia Baoyu and Lin Daiyu was also very large, and there was a certain amount of affection between the two. In other novels, there were also some grandfather-grandson relationships. For example, in Harry Potter, the age difference between Harry and Ginny was very large, and there was a deep relationship between the two. Grandfather-grandson relationships were a special kind of relationship, and the age difference could be surprising and disturbing. However, as long as two people truly loved each other and could overcome all kinds of difficulties, such a relationship existed.