I was recently reading an article regarding the British royals and their 'do-not-do' list, for lack of a better phrase. However, it was cited in article that Queen Elizabeth II does not permit (taboo) members of the royal family to eat certain foods like seafood, garlic, etc. Also, rules on how a royal, especially women, should comport themselves, e.g., no crossing of legs, etc.

So, with that said, does the Scandinavian royal houses follow similar requirements that the monarch restricts members of the royal family from indulging in certain foods, e.g., seafood, or regarding how a royal should or shouldn't cross their legs?

Here is the link to said article: https://www.cheatsheet.com/culture/british-royal-family-food-rules.html/?a=viewall

I have no idea if some, all or none of this is true but, yes, it may all be rubbish but I was curious if anyone has heard of this regarding the respective Scandinavian royal houses.