RE: Stark/Harrenhal connection.  (Prepare to have your mind blown.) Tully blood ruling Harrenhal is not something new.  When Aegon I granted Harrenhal to Quenton Qoherys, he married one of Lord Tully's daughters.  This means that his grandson, Gargon, was at least 1/4 Tully.  Catelyn's parents were Hoster Tully and Minisa Whent.  So essentially, Catelyn is half-Tully and half-"Harrenhal."  Therefore, Catelyn's children are 1/4 Tully, like Gargon.  (One may say that Catelyn was technically a