XVI.[°] Ivar Vithfathmi. For Ivar Vithfathmi and his family, see Ynglingasaga, chs. 44, 45, and the first fragment of Skjöldunga Saga (printed in the Fornaldar Sögur, i, p. 285 ff.), chs. 1-3.
Harold Hilditönn. The fullest account of Harold Hilditönn is that given by Saxo Grammaticus, Dan. Hist., p. 296 ff. See also the fragments of the Skjöldunga Saga, ch. 4 ff.
Gautland, i.e. the Land of the Geatas in Beowulf, the modern Götaland (whether Vestergötland or Östergötland or both), comprising roughly speaking the southern portions of Sweden, exclusive of the Danish districts (Skaane etc).
Harold of the Red Moustache. He was King of Agthir. A daughter of his, also called Ása, was married to Guthröth, King of Vestfold—the Godefridus who fought against Charlemagne and died in 810. See Ynglingasaga, ch. 53. Their son was Hálfdan the Black, the father of Harold the Fairhaired.
Sigurth Hring. See the Tháttr of Nornagest, ch. 7 and note.
Battle of Brávöll. The chief accounts of this battle are to be found in the second fragment of the Skjöldunga Saga, ch. 8 f. (see above); and in Saxo Grammaticus, Dan. Hist., pp. 309 ff.
The Sons of King Ragnar. For Ragnar Lothbrók and his sons, see the Tháttr of Nornagest, ch. 9 and note.
A sea-king. Cf. the Saga of Olaf the Holy (Heimskringla), ch. 4.
The Sons of Eric Björnson were Önund and Björn. These are probably to be identified with the Swedish kings Bern and Anoundus mentioned in Rembertus' Life of St. Ansgar, chs. 11 and 19, in connection with the saint's missionary visits to Sweden (c. 830).