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None have been revealed for his education, but he is most likely British.

His name sounds Dutch and his accent sounds more Dutch than British. He is at some point referred to by someone as Doctor, which would indicate a Phd at least?

I've done some research on the name, Van means "of" in Dutch, "Kleiss" is a German name, an alternate form of "Von Kleist" with various author and military leader sort of listings on Google.