Members of the family of Arthur Gwinner, a Frankfurter banker, who purchased the estate Krumke in Berlin as a family residence, and their husbands. From left: Berndt von Wedel, Miss Charlotte (Lotti) of Gwinner, Miss Vera von Zitzewitz, Mrs. von Gwinner, Miss Margarethe von Gwinner, Dr. Hans von Gwinner, Prof. Karl Klingler.