I'm not sure. It might be based on real events, or it could be completely fictional. It depends on the author's inspiration and the context of the story.
The story of The Winslow Boy has elements drawn from real events, but it's also fictionalized to some extent to make it more engaging for the audience. So, it's a blend of truth and creative imagination.
Well, if the Winslow in question is a family, perhaps their origin story could involve early settlers in a particular region. They might have started with a small business or farming. Maybe they immigrated from another country in search of new opportunities. Without more details, it's hard to say exactly.
Again, without clear information on what this 'Winslow' is about, it's difficult to determine the key elements. It could be things like family values if it's a family origin story, or founding principles if it's a business.
I'm not entirely sure which new novel you specifically refer to. But generally, if Winslow Homer is mentioned in a new novel, it could be used to add a sense of historical or artistic context. Homer was a renowned American painter, and his works often depicted nature, the sea, and the lives of ordinary people. The author might use his name or his art to evoke a certain mood, or perhaps there is a character in the novel who is inspired by Homer or his works.
Since I don't know the details of the new novel, it's hard to say exactly. But he could be depicted as an inspiration for a character. Maybe a character is an aspiring painter who looks up to Homer's works.