 As luck would have it , the local king arrived on the scene , and proved to be Olaf 's alleged grandfather Myrkjartan . Olaf remained with Myrkjartan for a time , and the king , according to <unk> Saga , even offered to make Olaf his heir . Olaf , however , ultimately returned to Norway , afraid of provoking Myrkjartan 's sons . Olaf returned to the court of King Harald , where he was greatly honored by both the king and his mother Gunnhild . 
