Johanna Ey was a German art dealer during the 1920s. She became known as Mutter Ey for the nurturing support she provided to her artists, who included Max Ernst and Otto Dix.
Wikipedia https://en.wikipedia.org/wiki/Johanna_Ey
Address 9 Poststraße, Düsseldorf 40213, Germany
Coordinates 51°13'17.747" N 6°46'15.339" E
