|Category||Small breeds: < 20 lbs|
|Country of origin||United Kingdom|
|Other names||Cav, Cavalier, Cavie|
Breed standards state that height of a Cavalier should be between 12 to 13 inches (30 to 33 cm) with a proportionate weight between 10 to 18 pounds (4.5 to 8.2 kg). The breed has four recognized colours. Cavaliers which have rich chestnut markings on a pearly white background are known as Blenheim in honour of Blenheim Palace, where John Churchill, 1st Duke of Marlborough, raised the predecessors to the Cavalier breed in this particular colour.
During the early part of the 18th century, John Churchill, 1st Duke of Marlborough, kept red and white King Charles type spaniels for hunting. The duke recorded that they were able to keep up with a trotting horse. His estate was named Blenheim in honour of his victory at the Battle of Blenheim. Because of this influence, the red and white variety of the King Charles Spaniel and thus the Cavalier King Charles Spaniel became known as the Blenheim. The King Charles changed drastically in the late 17th century, when it was interbred with flat-nosed breeds. Until the 1920s, the Cavalier shared the same history as the smaller King Charles Spaniel. Breeders attempted to recreate what they considered to be the original configuration of the breed, a dog resembling Charles II's King Charles Spaniel of the Restoration.
The breed is highly affectionate, playful, extremely patient and eager to please. As such, dogs of the breed are good with children and other dogs. Cavaliers are not shy about socialising with much larger dogs. They will adapt quickly to almost any environment, family, and location and suit city and country life. Cavaliers are active and sporting. Cavaliers are successful in conformation shows, obedience and agility and they also make wonderful therapy dogs due to their sweet, gentle natures.
The Cavaliers coat requires weekly brushing, but no trimming.