established at Duncansby, 38, 39;

character, 38;

claimed Orkney, 39, 40;

war with Duncan I, 40;

at Deerness, 41;

Turfness, 41;

conquests in Fife, 41, 42;

Ragnvald Brusi-son co-earl, 43, 59;

raids on England, 43, 144 (n. 16);

his wife, Ingibjorg;