The Cavanese is a hybrid between the Cavalier King Charles Spaniel and the Havanese. Country of Origin: Cavaneses originate in the United States of America.Original Purpose: The Cavanese is a great companion for the entire family. Breed Characteristics: Cavaneses generally are intelligence, alert and clever. The Cavanese is a quick learner with positive reinforcement. Cavaneses tend to be very loving and affectionate. Life Expectancy: Average life expectancy for the Cavanese is 10 - 13 years.