"Gaius Helen Mohiam"@en . . . . "Gaius Helen Mohiam is a fictional character in the Dune universe created by Frank Herbert. She is a Bene Gesserit Reverend Mother, and initially appears in the 1965 novel Dune and its 1969 sequel, Dune Messiah. Mohiam also has a major role in the Prelude to Dune prequel trilogy (1999\u20132001) by Brian Herbert and Kevin J."@en . . . . . . "Dune (1965)" . . "Tanidia Nerus"@en .