User blog comment:Jimeee/Hearthfire confirmed as the latest add-on. Official trailer./@comment-99.249.211.241-20120915163252/@comment-4057437-20120919173613

If she has told you that you are her Thane, she should show up, sooner or later. (Unlike other Housecarls, the new ones from Hearthfire don't just stay inside the house, they patrol the nearby area, as well.)