[2] Gríms ‘of Grímr’: According to ch. 2 of GHr (FSGJ 3, 166-7), Grímr, nicknamed ægir, was Eiríkr the viking’s closest confidant. The saga narrator associates his nickname with that of the mythical Ægir, a sea-god or giant. Grímr was the foster-brother of Þórðr (see Note to l. 3) a completely evil figure, of unknown parentage, the practitioner of sorcery, shape-shifting and malicious deeds.