“Lord,” Moneo said, “I have read the accounts and heard your own words about your marriage to your sister, Ghanima.” “If only she were with me now,” Leto said. “She was never your mate, Lord.” “What’re you suggesting?” Leto demanded. The twitching of Leto’s hands had become a spasmodic vibration. “She was . . . I mean, Lord, that Ghanima was Harq al-Ada’s mate.” “Of course she was! All of you Atreides are descended from them!”