VIDEO : J.K. Rowling Just Wrote the Longest, Craziest Family History for Harry Potter

No one can accuse J.K. Rowling of not feeling nostalgic for Harry Potter . The author is known to occasionally take to her dedicated Pottermore website to share updates or indulge fans in secrets from the series, and her latest post goes totally above and beyond. Rowling put together an entire oral Potter family tree?you know, because so many fans were staying up nights wondering what Harry's ancestors were doing in the year 1250.