Conversation so far:
Who did Davy marry?
Polly Finley.
Did he stayed married to her?
he married the widow Elizabeth Patton.
Did he have any children with either of them?
and their first child, John Wesley Crockett.
Did he had children after John?
Their second child, William Finley Crockett.

Question: Why did he divorce his first wife?
Self-contained rewrite: Why did Davey Crockett divorce his first wife?