Other than
this, all we know about her is that she lived at 18 New Bramow Street in the port city of
Rostock.
These final facts are known because Marie (Schmidt,
Schafhausen) Dohmstrich, August Heiden's
half-niece, was the one who sent several
letters to Rika (Knaack) Heiden
during the 1920's. Some of the letters were also signed by her
daughter, Emilie Dahme. Translations of these letters may be found by
clicking here.