Harald Haarfagr had a good many sons and daughters; the daughters he married mostly to jarls of due merit who were loyal to him; with the sons, as remarked above, he had a great deal of trouble. They were ambitious, stirring fellows, and grudged at their finding so little promotion from a father so kind to his jarls; sea-robbery by no means an adequate career for the sons of a great king, two of them, Halfdan Haaleg (Long-leg), and Gudrod Ljome (Gleam), jealous of the favors won by the great Jarl Rognwald, surrounded him in his house one night, and burnt him and sixty men to death there. That was the end of Rognwald, the invaluable jarl, always true to Haarfagr; and distinguished in world history by producing Rolf the Ganger, author of the Norman Conquest of England, and Turf-Einar, who invented peat in the Orkneys. Whether Rolf had left Norway at this time there is no chronology to tell me. As to Rolf's surname, "Ganger," there are various hypotheses; the likeliest, perhaps, that Rolf was so weighty a man no horse (small Norwegian horses, big ponies rather) could carry him, and that he usually walked, having a mighty stride withal, and great velocity on foot. One of these murderers of Jarl Rognwald quietly set himself in Rognwald's place, the other making for Orkney to serve Turf-Einar in like fashion. Turf-Einar, taken by surprise, fled to the mainland; but returned, days or perhaps weeks after, ready for battle, fought with Halfdan, put his party to flight, and at next morning's light searched the island and slew all the men he found. As to Halfdan Long-leg himself, in fierce memory of his own murdered father, Turf-Einar "cut an eagle on his back," that is to say, hewed the ribs from each side of the spine and turned them out like the wings of a spread-eagle: a mode of Norse vengeance fashionable at that time in extremely aggravated cases! Harald Haarfagr, in the mean time, had descended upon the Rognwald scene, not in mild mood towards the new jarl there; indignantly dismissed said jarl, and appointed a brother of Rognwald (brother, notes Dahlmann), though Rognwald had left other sons. Which done, Haarfagr sailed with all speed to the Orkneys, there to avenge that cutting of an eagle on the human back on Turf-Einar's part. Turf-Einar did not resist; submissively met the angry Haarfagr, said he left it all, what had been done, what provocation there had been, to Haarfagr's own equity and greatness of mind. Magnanimous Haarfagr inflicted a fine of sixty marks in gold, which was paid in ready money by Turf-Einar, and so the matter ended. CHAPTER II. ERIC BLOOD-AXE AND BROTHERS.