Conversation so far:
Where was Robert E. Howard born?
Robert E. Howard was born in Peaster, Texas.
Who were Robert E. Howard's parents?
Robert E. Howard's father was Dr. Isaac Mordecai Howard, a traveling country physician and his mother was Hester Jane Ervin Howard.
Did Robert E. Howard have any siblings?
Robert E. Howard was an only son.

Question: How was his upbringing?
Self-contained rewrite: How was Robert E Howard's upbringing?