Livia
From The Stargate Omnipedia
Wife of Antonius, Camelot's historian. Antonius was convinced that Livia would be extremely angry if she discovered that he admitted SG-1 into Merlin's library, and swore them not to mention the act to her before letting them inside.
KEY EPISODE
Camelot - Antonius tells SG-1 that he told Livia he would be reviewing council minutes with Brother Abelard at the time he was letting the team enter Merlin's library.