Conversation so far:
Where was James Fenimore Cooper born?
James Fenimore Cooper was born in Burlington, New Jersey.
What year and to whom was he born?
1789 to William Cooper and Elizabeth (Fenimore) Cooper.
How many children did they have?
eleventh of 12 children, most of whom died during infancy or childhood.

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