Tersius Helen Anteac was a Reverend Mother that resided at the Bene Gesserit Keep on Wallach IX at some point in the reign of God Emperor Leto II. Anteac along with some other Reverend Mothers on Wallach IX tried to establish a Mentat school that was secret from the God Emperor, but the Tyrant discovered it and sent a Mentat Duncan Idaho ghola to suppress it.
Tersius Helen Anteac was also an ancestor of the Mentat Reverend Mother Bellonda.
Appearances
- Chapterhouse: Dune (mentioned only)