Derwent Castle

In the novel Why Didn't They Ask Evans?, Derwent Castle is the home of Lord Marchington and Frankie Derwent. It is located seven miles from the village of Marchbolt in Wales. As a child, Bobby Jones and his brothers used to play with Frankie at the castle grounds. As adults, their interactions with Frankie and her brothers are now limited to occasional invitations to the castle to play tennis.