Bastards may sometimes use the arms of their father's house with an added distinction.Ĭoats of arms are commonly used by knights in tourneys and on the battlefields as a way to identify allied from enemy soldiers in the heat of battle. The arms of a house belong to that family, as in Germany and Italy, and may be used by all trueborn descendants of that house. Most noble houses of the Seven Kingdoms have their own designs, and variants of these designs are adopted only by members of the house. Heraldry in Westeros and in the real world

1 Heraldry in Westeros and in the real world.