A subgenre of this is historical romance, such as Jennifer Blake's Royal Seduction and its sequel Royal Passion; both are set in the nineteenth century and feature Prince Rolfe (later King) and his son Prince Roderic respectively, of the fictional Balkan country of Ruthenia. (Ruthenia is a genuine geographic name, identifying an area of eastern Europe somewhat to the north of the Balkan peninsula, in the Carpathian mountains, but is not an independent country.)
A subgenre includes historical romance like Jennifer Blake's Royal Seduction and its sequel Royal Passion; both are set in the nineteenth century and feature Prince Rolfe (later King) and his son Prince Roderic from the fictional Balkan country of Ruthenia. Ruthenia is a genuine geographic name, identifying an area of eastern Europe north of the Balkan peninsula, in the Carpathian mountains, but it does not form an independent nation.