Treason in Arthurian legend his unwillingness to reveal the affair to Arthur and his concealment is a violation of Arthur's trust. Gawain is duplicitous throughout Sir Gawain and the Green Knight. He is tempted by the wife of Bertilak, a lord who offers his home to Gawain. While Gawain eventually learns the harms of duplicity, Gawain violates “his responsibility to honor the host-guest relationship”. Gawain keeps the magical girdle, refusing to honor his agreement with Bertilak that he will give everything Lady Bertilak gives to Gawain to the Lord. Instead, Gawain hides the girdle. This treason against the Lord necessitates a physical punishment from
Isles of Scilly land of Lyonesse, referred to in Arthurian literature, of which Tristan is said to have been a prince. This may be a folk memory of inundated lands, but this legend is also common among the Brythonic peoples; the legend of Ys is a parallel and cognate legend in Brittany as is that of in Wales. Scilly has been identified as the place of exile of two heretical 4th century bishops, Instantius and Tiberianus, who were followers of Priscillian. In 995, Olaf Tryggvason became King Olaf I of Norway. Born 960, Olaf had raided various European cities and fought in several