Leonberger University of Bern, Bern, Switzerland In the 1830s, Heinrich Essig, a dog breeder and seller and mayor of the town of Leonberg near Stuttgart in Baden-Württemberg, Germany, claimed to have created the Leonberger by crossing a female Landseer Newfoundland with a "barry" male from the Great St. Bernard Hospice and Monastery (which would later create the Saint Bernard breed). Later, according to Essig, a Pyrenean Mountain Dog was added, resulting in very large dogs with the long, white coats that were the fashion for the time, and pleasant temperament. The first dogs registered as Leonbergers were born in 1846 and
Newfoundland dog physical traits with Mastiffs and Molosser type dogs, such as the St. Bernard and English Mastiff, including stout legs, massive heads with very broad snouts, a thick bull neck, and a very sturdy bone structure. In fact, many St. Bernard Dogs have Newfoundland Dog ancestry. Newfoundlands were brought and introduced to the St. Bernard breed in the 18th century when the population was threatened by an epidemic of distemper. They share many characteristics of many mountain dog breeds such as the Great Pyrenees. The Newfoundland breed originated on Newfoundland, and is descended from a breed indigenous to the island known