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
Swiss mountain dog of wolves, research is being done on the use of these dogs to protect livestock. A red and white color once found in the Sennenhunds was said to be from crosses with the St. Bernard dog, a breed from the Alps also said to be descended from Roman molossers. The Sennenhund, especially the largest ones, began to disappear in the 1800s with the decline in need for butcher's dogs and carting dogs. The efforts of Alpine geologist and indigenous Swiss dog breeds advocate Albert Heim (1849-1937) brought various examples of Sennenhund to an International Dog Show in 1908. At that