Asalin schnauzers kansu ba a dogara da shi ba. Ka'idar Theophil Studer game da asalin schnauzers, kamar sauran karnuka, daga karen peat, wanda ragowarsa ya koma karni na III-IV BC, an karyata shi ta hanyar binciken kwayoyin halitta. Babu shakka, kakannin schnauzer na kusa su ne karnuka masu gashin waya na kudancin Jamus, waɗanda a tsakiyar zamanai mazauna waɗancan wurare ne suke kiyaye gidajensu da yaƙi da beraye, kamar yadda ake amfani da terrier a Ingila a lokacin.
Bayanin farko game da kiwo na ƙananan schnauzers a Jamus ya samo asali ne a ƙarshen karni na 19. Kakanninsu sun tsare rumbunan karkara daga beraye da sauran kwayoyin cuta. Don ƙirƙirar ƙaramin kwafin sanannen Mittelschnauzer, an ƙetare ƙarni da yawa na ƙananan wakilan nau'in. Lokacin da aka ketare tare da wasu nau'o'in, irin su Affenpinscher, Poodle, Miniature Pinscher, Spitz, launuka sun bayyana a matsayin sakamako na gefe wanda bai dace da manufa ta ƙarshe na masu shayarwa ba, kuma don daidaita tafkin jinsin, an cire ƙwararrun ƙwararru masu launi da fari. daga shirye-shiryen kiwo. An yi rajistar schnauzer na farko a cikin 1888, an gudanar da nunin farko a 1899.