Conversation so far:
Where did Mike Bloomfield grow up?
was born in Chicago in 1914.
Who were his parents?
mother was born Dorothy Klein in Chicago in 1918 and married Harold Bloomfield in 1940.
Did he marry in his early years?
CANNOTANSWER.
How did his career get started?
Harold Bloomfield began manufacturing restaurant supplies.
What was life like growing up?
Bloomfield's family lived in various locations around Chicago before settling at 424 West Melrose Street on the North Side.

Question: Did he have any siblings?
Self-contained rewrite: Did Mike Bloomfield have any siblings?