Bullenbeisser

Boxer. It was, in all aspects, similar to the present Alano Español (Spanish Bulldog) and very similar to the Dogo Argentino, not only in aspect, but also in usage. There were two regional varieties, the large Danziger Bullenbeisser and the small Brabanter Bullenbeisser. The breed is now extinct

Boxer, by crossing the smaller Bullenbeissers with Bulldogs brought from Great Britain. The original ancestry was 50/50. However, German owners started crossing their dogs with many Bulldog lineages, which produced an indistinguishable breed after World War II.^{[citation needed}