How many types of Cavalier King Charles Spaniels are there?

How many types of Cavalier King Charles Spaniels are there?
There’s only one type of Cavalier King Charles Spaniel, but the breed comes in four distinct color patterns: Blenheim, tricolor, black and tan, and ruby. Despite these variations in coat colors, their core breed characteristics remain consistent.
These pups are often (and easily) confused with the King Charles Spaniel as they are descendants of the same breed, but there is just one type of Cavalier King Charles Spaniel.