and the river lords were rising too , blackwood and bracken and mallister , houses who had never been ruled from winterfell , yet catelyn watched them rise and draw their blades , bending their knees and shouting the old words that had not been heard in the realm for more than three hundred years , since aegon the dragon had come to make the seven kingdoms one ... yet now were heard again , ringing from the timbers of her father 's hall : `` the king in the north ! ''