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 14 Neubrückstraße, Düsseldorf 40213, Germany
Coordinates 51°13'42.415" N 6°46'30.106" E
