Torf-Einarr Viking warlord, Earl of Orkney (0858–0920) Parents Groa (?) Rǫgnvaldr Eysteinsson Children Erlend Einarsson Thorfinn Turf-Einarsson Arnkel Einarsson Siblings Rollo Þórir þegjandi Rǫgnvaldsson Hallað Rǫgnvaldsson Ívarr Rǫgnvaldsson Hrólf Rǫgnvaldsson Hrollaugr Rǫgnvaldsson