Yennefer of Vengerberg (orig. Yennefer z Vengerbergu) is one of the main characters of the literary saga and the game The Witcher 3: Wild Hunt, the beloved of Geralt of Rivia, a talented and powerful sorceress, in fact Cirilla’s adoptive mother. She was a member of the last Council of Sorcerers, later a member of the Lodge of Sorceresses, an unofficial adviser to King Damavand III, and also a friend of Triss Merigold