Who is Talcott Lloyd from Storming Heaven: A Novel and what is their importance?

Talcott Lloyd is Rondal's younger brother. He is at times impulsive with a hotheaded temper but he is fiercely loyal to his friends and family and the cause of the miners. Talcott goes to work as a child in the mines and experiences the cruelty that existed before child labor laws. He marries and becomes a father early before volunteering for the Army during World War I. After his return from the war some wonder if what he saw in combat did not add to his tendency for impulsive action. Talcott plays in a band with Rondal and Isom.