The Bernese Mountain Dog (German: Berner Sennenhund) is a large-sized breed of dog, one of the four breeds of Sennenhund-type dogs from the Swiss Alps. Bernese mountain dogs are a breed that generally does well with children, as they are very affectionate. They are patient dogs that take well to children climbing over them. Bernese mountain dogs are a breed that generally does well with children, as they are very affectionate. They are patient dogs that take well to children climbing over them. These dogs are very popular as family dogs in German-speaking countries, where they are among the most popular dog breeds (for example, the German Association of Dog Breeders listed the Bernese at the 11th rank per live births in 2014). Bernese Breeders Association of Great Britain. Bernese Breeders Association of Great Britain. Archived from the original on 23 March 2015.