InNorse mythology,Ítreksjóð (Old Norse) is ason of Odin and agod. Ítreksjóð is attested in one of theNafnaþulur verses at the end of theProse Edda bookSkáldskaparmál, where he is numbered among theÆsir and listed as one of Odin's sons.[1]Ítreksjóð is sometimes modernly anglicized asItreksiod orItreksjod.