Just about the most iconic heraldic symbols used in medieval times was the fleur-de-lis, which represented purity plus the Virgin Mary. The Battle of Crecy 1346. A version with the oriflamme is usually observed in the middle concerning two other banners. This symbolism wasn't arbitrary but rooted within the beliefs, https://garrettbwiqe.pages10.com/considerations-to-know-about-medieval-flags-and-banners-66592978