At this moment, she's still alive and teaches in Philadelphia, PA. (:
She has two children and one grandchild
Louis Hartz died in 1986.
Lauritz Hartz died in 1987.
Nikolaj Hartz died in 1937.
Gisbert Kapp died in 1922.
Jack Kapp died in 1949.
Friedrich Kapp died on 1884-10-27.
Wolfgang Kapp died on 1922-06-12.
Artur Kapp died on January 14, 1952 at the age of 73.
Eugen Kapp died on October 29, 1996, in Tallinn, Estonia.
Karl William Kapp died on 1976-04-04.
Hans Hartz died on November 30, 2002, in Frankfurt am Main, Hesse, Germany.