Berta Stern (Thalheimer)
Vita
In 1928 he married Gerda Stern, who was born in Mönchengladbach in 1902, the daughter of Julius Stern (1867-1934) and Selma Stern née Heilbron (1871-1964). Before her Heirat to Thalheimer, she had trained as a pediatric nurse under Dr. Selma Meyer. Gerda Thalheimer returned to the Luisenschule to complete her Abitur in 1926 and later spent a year and a half studying social sciences and art history in universities at Bonn and Berlin. (...)
Gerda and Ruth remained in New York after Siegfried moved [1949] to Germany. Gerda Thalheimer attended Hunter College in New York and Columbia University's library school, where she received a master's degree in 1956. She died in New York in 1994.
https://www.gallery.ca/library/ngc040.html
Remarques
Ehemann Siegfried Thalheimer 10.01.1899 Düsseldorf
Tochter Ruth Eva Thalheimer 16.06.1929 Düsseldorf