Felix Wolff was born in Köthen on October 15, 1877, the son of the banker Karl Wolff and his wife Johanna née Mollheim.

Adelheid Wiesenthal was born on September 5, 1865 in Sagan/Silesia, the daughter of Ferdinand Wiesenthal and his wife Agnes née Schweder.

Margarete Goldstrom was born in Wittenberg on March 1, 1885, the daughter of Hermann Wittenberg and his wife Franziska, born Schmidt.