Conversation so far:
Where was Daniel Boone born?
Daniel Boone was born in the Daniel Boone Homestead, Oley Valley, Berks County, Province of Pennsylvania.
What did Daniel Boone do in his youth?
Daniel Boone spent his early years on what was then the edge of the frontier. Boone was given his first rifle at the age of 12 and learned to hunt.

Question: What happened after Boone's family became a source of controversy?
Self-contained rewrite: What happened after Daniel Boone's family became a source of controversy?