Quote from : The Farthest Shore Book

For they were alone, and he was one of the seven persons in the world who knew the Archmage's name. The others were the Master Namer of Roke; and Ogion the Silent, the wizard of Re Albi, who long ago on the mountain of Gont had given Ged that name; and the White Lady of Gont, Tenar of the Ring; and a village wizard in Iffish called Vetch; and in Iffish again, a house-carpenter's wife, mother of three girls, ignorant of all sorcery but wise in other things, who was called Yarrow; and finally, on the other side of Earthsea, in the farthest west, two dragons: Orm Embar and Kalessin.