Don't show me this message again✕ As a member of the royal family, royal etiquette dictates everything from what one is allowed to eat to guidelines around the naming of a newborn royal. While the rules are stricter for more senior members of the royal family, with relatives such as Princess Eugenie allowed to bend the restrictions slightly, they are no less stringent for the royal children. From rules around appropriate clothing to official protocol about receiving gifts, these are some of the most unusual rules that royal children have to follow. Male children must wear shorts rather than pants until they are of a certain age