You may have stayed up through the wee hours of the morning to watch Kate Middleton get hitched to Prince William. And you might have been glued to your TV, waiting anxiously to see Kate Middleton waltz out of the hospital wearing a polka dot Jenny Packham dress only ONE DAY after giving birth. But just because you created a baby naming pool and regularly study the structure of Kate Middleton’s hair flip does not, sadly, make you an expert on all things Royal Family. There’s a whole lot more to the monarchy.

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Luckily, since American is pretty much obsessed with the fam, there are countless sources you can turn to when attempting to beef up your Royal Family trivia smarts.

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Your Tango did work and rounded up nine super interesting facts you’ll want to memorize. Need an example before you crack open the books? The site answered a question you’ve probably been pondering over for years and years. What is Prince William’s last name? While it’s not really used, he holds the last name of Mountbatten-Windsor.

Click here for more fun facts on the Royal Family from Your Tango

Did you know Prince William’s last name? Tweet @OKMagazine and leave a comment below.

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