 Rolv ("Hrólfr"), nicknamed Gange-Rolv, became known as Rollo of Normandy.The death of Ivar ("Ívarr") during an earlier campaign in support of King Harald Finehair resulted in the Northern Isles ("Norðreyar") being gifted to his family as compensation.According to the Historia Norvegiae, Rognvald's family conquered Orkney and Shetland Islands in the late ninth century.