Gianne Idaho was the third daughter of Murbella and the final ghola of Duncan Idaho. She was raised without the knowledge of her parentage in the secretive style of the Bene Gesserit. Little is known of the actions of Gianne during the merger of the Bene Gesserit and the Honored Matres into the New Sisterhood. During the advent of Kralizec, Gianne was on Chapterhouse, and toiled as a regular acolyte for the goals of humanity.