Over the years, we've learned a lot of things about Kate Middleton and her sister Pippa , but the third member of the Middleton siblings remains a bit of a mystery. Although we often see James at Wimbledon, the youngest member of the family leads a pretty private life, far from photographers and prying eyes, which has had us wondering: who, exactly, is James Middleton? From what he studied at university to his unusual guilty pleasure, here's everything we've discovered about the duchess's brother.