Yes, the Cavalier King Charles Spaniel is generally considered a good family dog. They are affectionate, gentle, and love to be around people. They are also adaptable and can do well in a variety of living situations, including apartments and houses with yards. Cavaliers are typically good with children and other pets, and they tend to get along well with everyone they meet. However, every dog is an individual and may have their own unique temperament and personality, so it's important to do your research and meet the dog before making a decision. Additionally, like all dogs, Cavaliers require proper training, socialization, exercise, and care to thrive in a family environment.