Conversation so far:
Where was James Fenimore Cooper born
James Fenimore Cooper was born in Burlington, New Jersey.
What year and to whom was James Fenimore Cooper born
In 1789, James Fenimore Cooper was born to William Cooper and Elizabeth Cooper.
How many children did William Cooper and Elizabeth Cooper have?
William Cooper and Elizabeth Cooper had 12 children.

Question: Who was he related to
Self-contained rewrite: Who was James Fenimore Cooper related to?