Conversation so far:
Where did he grow up?
Chicago, Illinois.
Did he have any siblings?
Joan Fischer.
What did he do as a child?
CANNOTANSWER.
Did he go to school?
At the time of her son's birth, Regina was "homeless" and shuttled to different jobs and schools around the country to support her family.
What struggles did he go through growing up?
She engaged in political activism, and raised both Bobby and Joan as a single parent.
Are there any other interesting aspects about this article?
Regina and Hans-Gerhardt had separated in Moscow, although they did not officially divorce until 1945.

Question: Did she remarry?
Self-contained rewrite: Did Regina Gerhardt remarry?