#13 Progenitors yog Landseer poj niam thiab St. Bernhard txiv neej, tom qab ntawd nws hla Pyrenean roob aub.
Thawj Leonberger yug nyob rau hauv 1846. Essig paub yuav ua li cas mus ua lag luam nws tshiab yug zoo, cov tswv tseem ceeb yog Empress Sissi, Napoleon III, Prince of Wales, King Umberto ntawm Ltalis, Richard Wagner, Bismarck thiab ntau lwm tus neeg.