Conversation so far:
Where was Lewis Morgan born?
Lewis H. Morgan was born in Aurora, Cayuga County, New York.
Where did Lewis H. Morgan grow up?
Lewis Henry Morgan was born in upstate New York in 1818, he was raised there until he left for Cayuga Academy.
Who were Lewis H. Morgan's parents?
Lewis H. Morgan's parents were Jedediah Morgan and Harriet Steele.

Question: Did he have any siblings?
Self-contained rewrite: Did Lewis H. Morgan have any siblings?