The eldest son who is sent to military school at the series' start. He later disenrolls, works in an Alaskan logging camp, and eventually finds a job at a dude ranch run by an eccentric German couple. His official ID lists his surname as Nolastname.
Francis is Malcolm's eldest brother, initially absent due to military school.
Lois is Francis's mother who manages his departure and later life.
Hal is Francis's father who oversees his early departure and later misadventures.
Francis is Reese's older brother, separated by military school.
Francis is Dewey's older brother with a distant early relationship.
Explore the full interactive character relationship map of Malcolm in the Middle