Conversation so far:
Where was Chamberlin born?
Chamberlain was born in Brewer, Maine.
Who was his mother and father?
Sarah Dupee (nee Brastow) and Joshua Chamberlain.
What day was he born on?
September 8, 1828.
What was unique about chamberlins family tree?
Chamberlain was of English ancestry, and could trace his family line back to twelfth century England, during the reign of King Stephen.
Did he have any family?
He was the oldest of five children.
It is said that he was his mother's favorite while his father was tough on him.

Question: What was chamberlin forced to do?
Self-contained rewrite: What was joshua chamberlian forced to do