King Benjen II

Mance=Rhaegar http://asoiaf.westeros.org/index.php/topic/107251-the-curious-case-of-the-dragon-prince-and-the-winter-rose-4/

The whereabouts of Benjen Stark. http://asoiaf.westeros.org/index.php/topic/97043-a-wolf-pup-in-the-frozen-wilderness-the-whereabouts-of-benjen-stark/