As principais Casas vassalas de Winterfell são: [[Casa Karstark|Karstark]], [[Casa Umber|Umber]], [[Casa Flint|Flint]], [[Casa Mormont|Mormont]], [[Casa Hornwood|Hornwood]], [[Casa Cerwyn|Cerwyn]], [[Casa Reed|Reed]], [[Casa Manderly|Manderly]], [[Casa Glover|Glover]], [[Casa Tallhart|Tallhart]] e [[Casa Bolton|Bolton]].