Did the barons fight in the rebillion war?

Yes, the barons played a significant role in the rebellion war, particularly during the English Barons' War in the 13th century. They organized and led armed resistance against the monarchy, primarily to address grievances regarding royal authority and demands for taxes. Their actions were driven by a desire to limit the power of the king and to establish greater rights and privileges for the nobility. This conflict ultimately led to the sealing of the Magna Carta in 1215, which aimed to protect baronial rights.