The Chronicle of The Kings of Norway
Part 257 - Bishop Sigurd's Flight
The summer after (A.D. 1031) there was much talk about King Olaf's sanctity, and there was a great alteration in the expressions of all people concerning him. There were many who now believed that King Olaf must be a saint, even among those who had persecuted him with the greatest animosity, and would never in their conversation allow truth or justice in his favour.
People began then to turn their reproaches against the men who had principally excited opposition to the king; and on this account Bishop Sigurd in particular was accused. He got so many enemies, that he found it most advisable to go over to England to King Canute. Then the Throndhjem people sent men with a verbal message to the Uplands, to Bishop Grimkel, desiring him to come north to Throndhjem.
King Olaf had sent Bishop Grimkel back to Norway when he went east into Russia, and since that time Grimkel had been in the Uplands. When the message came to the bishop he made ready to go, and it contributed much to this journey that the bishop considered it as true what was told of King Olaf's miracles and sanctity.