It depends. Some elements of the Walton stories might be based on real events or experiences, but they could also have fictional parts added for entertainment or dramatic effect.
I'm not sure who Mr. Walton is specifically in this novel as I haven't read it. Maybe he is the main male character or an important figure that has some sort of power or influence over the love story in the book.
A 'familia novel' often focuses on family relationships. It may depict the dynamics within a family, like the love, conflicts, and growth among family members.
Well, the location of fictional Walton could vary depending on the author's imagination. Sometimes, it could be a made-up town in a fantasy realm, or perhaps it's based on a real place but with fictional elements added. Without more context, it's hard to say for sure.
Since we don't have much information, he could be the male lead in the Chinese novel. Maybe he is a character with strong emotions, especially when it comes to love.