[YEAH, HE'LL... APPRECIATE THAT... let him tl;dr about his family that should make him happy]

Well... to begin with, how much do you know about the geography and history of Earth? It's a world that seems to have more equivalents than most I've seen, but I'd rather not throw a great deal of words that don't really mean anything to you without explaining them first. Have you heard of England, for example?