Jessica Atreides, also known as Lady Jessica. She is a member of the Bene Gesserit Order and was compelled to become the concubine of Duke Leto as part of the Order's secret genetic program . Born as Jessica Nerus, she was raised from birth by the Bene Gesserit with the purpose of pairing her with the heir of House Atreides, Leto Atreides I. However, her genuine love for Leto led her to disobey orders and give birth to her son, Paul Atreides, who would become the Emperor. Jessica also became a Reverend Mother of the Bene Gesserit Sisterhood, playing a crucial role in Paul's rise to power. Her hair is blonde and gray, and her eyes, once green, turned blue within blue due to her transformation as a Reverend Mother.