Mary Allen
#10 Bayan mutuwarsa a shekara ta 1889, Heinrich Essig bai bar bayanin bayyanar Leonberger ba, ko littattafan garken, wanda ya ba da kwarin gwiwa ga fitowar wasu hanyoyin asalin dabba.
#11 Wasu masana sun yi iƙirarin cewa Leonberger ba wani nau'i ne mai zaman kansa ba, amma kawai wani nau'i ne na tsohuwar Jamus Hovawarts, waɗanda ke gab da bacewa a karni na 19.
A matsayin masu goyon bayan ka'idar, har ma sun ba da misali da masu shayarwa da yawa na wancan lokacin da suka tsunduma cikin sake dawo da tarin dabbobin da ke cikin hadari, ciki har da magajin garin Leonberg, wanda daga baya aka samar.
