Cross Breeds

What breeds could my cavalier be cross with?

What breeds could my cavalier be cross with he is a cavalier King Charles Spaniel and is 12cm about the average height of a Cavieler, my dog is 45cm and the average height is 33cm

Public Comments

1. There's no way to tell without a picture.
2. He could be part anything bigger than a Cav. That's a lot of breeds.