Traditionally all princes and princesses of royal blood (i.e. descendants of the sovereign) are granted arms on their 18th birthday, thus giving them a banner to fly from their residences.
傳統上所有擁有皇室血緣的王子與公主(君王的後裔)，都會在他們的18歲生日被授予盾形徽章，並且授予他們的個人旗幟可以在自己往後居住的地方飄揚。