Conversation so far:
Who was Ian Johnson's (cricketer) family?
Johnson married Lal Park and had two sons.
Who is Lal Park?
The daughter of former Test cricketer Roy Park.
When did Ian Johnson (cricketer) get married?
1942
Did Ian Johnson (cricketer) ever get divorced?
No
Did Ian Johnson (cricketer) have any kids?
Yes
What were Ian Johnson's (cricketer) sons names?
Bill and Bob
What else did he do in his life besides having a family?
He was an Australian cricketer who played 45 Test matches  between 1946 and 1956.

Question: What did he do in this job?
Self-contained rewrite: What did Ian Johnson (cricketer) do in Cricket?