Much of the news in the UK, including the BBC, are talking about how Prince Harry and Meghan Markles wedding is a milestone for the royal family as she represents the "first mixed-race member of the royal family". Now, I don't want to take anything away from this, nor so I want to get political or into a discussion about race, but it did get me thinking.
Surely throughout history, when members of the royal family were married off for political reasons, there must be many examples of mixed-race weddings. I'm thinking particularly of the English royal families in relation to, say, the Moors or the Ottomans or even India, but don't want to limit it to just this.
So any historians know of any good examples?
You might find this answer by u/mikedash to be useful.
With regards to the second part of your question, the marriage of a member of the British/English royal family to a non-Christian would have been out of the question. Indeed, before the law was changed in 2013, any member of the royal family who married a Catholic would have been excluded from succession.