No, Robert King is not related to Stephen King. Despite sharing the same last name, there is no familial connection between the two. Robert King is a well-known television producer and writer, best known for his work on shows like The Good Wife and Evil. On the other hand, Stephen King is a renowned author famous for his horror, supernatural fiction, and suspense novels.
While both have made significant contributions to their respective fields, they come from different backgrounds and have no known family ties. The similarity in their last names is purely coincidental.