Hrollaugr Rǫgnvaldsson Norse viking and early settler of Iceland Parents Rǫgnvaldr Eysteinsson Hildr Hrólfsdóttir Groa (?) Children Hrolf Turstain Siblings Ívarr Rǫgnvaldsson Hallað Rǫgnvaldsson Rollo Hrólf Rǫgnvaldsson Þórir þegjandi Rǫgnvaldsson Torf-Einarr Partners Ermina