―Ser Brynden Tully, explaining the responsibilities of House Tully as Lords Paramount of the Trident.. House Blackwood of Raventree Hall is a vassal house that holds fealty to House Tully of Riverrun.
"From keeping the Blackwoods and Brackens from wiping each other out, and giving us two more castles to deal with." Their lands are in the heart of the Riverlands, located along the banks of the Red Fork of the Trident. Their seat is Raventree Hall.