If a question in heraldry were started, Athos knew all the noble families of the kingdom, their genealogy, their alliances, their coats of arms, and the origin of them. Etiquette had no minutiae unknown to him.
S'agissait-il de science héraldique, Athos connaissait toutes les familles nobles du royaume, leur généalogie, leurs alliances, leurs armes et l'origine de leurs armes.