"Gwenllian Gwalch'gaeaf, commonly referred to as Gwenno, is a an entertainer, scholar and an explorer, who appears frequently with her husband Iolo. She takes care of her husband and travels with the Avatar on occasion. In the Ultima 5 manual she is listed as having written the lyrics to the song Stones. She is based on Kathleen Jones, the real life wife of David R. Watson(Iolo)."
Source: Wikipedia, "List_of_Ultima_characters", available under the CC-BY-SA License.