 The American Kennel Club has two classes , English Toy Spaniel ( B / PC ) ( Blenheim and Prince Charles ) and English Toy Spaniel ( R / KC ) , while in the UK , the Kennel Club places the breed in a single class . Under the Fédération Cynologique Internationale groups , the King Charles is placed in the English Toy Spaniel section within the Companion and Toy Dog Group , along with the Cavalier King Charles Spaniel . 
