Conversation so far:
Did Son House go to school?
CANNOTANSWER.
Did he get married?
At the age of nineteen, while living in the Delta, he married Carrie Martin, an older woman from New Orleans.
Did they have kids?
After a couple of years, feeling used and disillusioned, House recalled, "I left her.
Did he re marry?
CANNOTANSWER.
Did you learn anything interesting about him?
He found an escape from manual labor when, following a conversion experience ("getting religion") in his early twenties, he was accepted as a paid pastor.
How long was he a pastor?
This led him after several years of conflict to leave the church.
What did he do after being a pastor?
he continued to preach sermons from time to time.
Did he do anything else?
The one job he enjoyed was on a Louisiana horse ranch.

Question: What did he do there?
Self-contained rewrite: What did Son House do at the Louisiana horse ranch?