Lord Henry Thorne is also famous for his Duchess - centric fantasy works. His novels often have a touch of political intrigue along with the magical elements. For example, in his 'Duchess of the Golden Realm' he delves deep into the power politics between different duchies in a fantasy setting.
Then there's Lady Isabella Grace. Her Duchess fantasy novels are known for their richly detailed settings. In her book 'The Mysterious Duchess', she creates a world full of mystery and magic that surrounds the life of the duchess. Her writing style is very descriptive, making it easy for readers to visualize the story.