Frieda with her daughter Fritzi, her father, and her brother

Frieda Knapp about 1897

Frieda about the time of her engagement 1899 with her bridegroom Emil Müller

Frieda Knapp  with her daughter Fritzi and her father Henrich Knap about 1903 in the Botanical Garden in Bonn

Frieda Knapp with her children
Fritzi and Kurt about 1908

Frieda Knapp about 1905

Frieda Knapp about 1903

Frieda together with
Fritzi about 1904

(and possibly pregnant
with her son Kurt)

Frieda 1904/5 (after Kurt's birth)

1882 - 1910