 She becomes the consort of Paul Atreides in "Dune" (1965) as he deposes her father.Irulan is later one of Paul's advisors in "Dune Messiah" (1969), and a surrogate mother to his orphaned twin children in "Children of Dune" (1976).Janess Idaho is the second eldest daughter of Murbella and Duncan Idaho, born a few minutes after her twin sister Rinya.