Conversation so far:
Did corey marry anyone?
CANNOTANSWER.
What has he done in personal life?
By age 15, he had developed a drug addiction and had overdosed on cocaine twice.
Has he overcome any of these addictions?
She took legal custody of him so that he could continue going to school, and she helped him buy musical equipment.
Who helped him with his addictions?
grandmother's.
Was he able to get ahold of the addictions?
CANNOTANSWER.

Question: Who influenced him on early life?
Self-contained rewrite: Who influenced Corey Taylor on early life?