Paul Atreides, aka Muad'Dib, Usul, and The Preacher (10175 AG- 10219 AG), is a central character to the Dune series. He was born on the planet Caladan as the son of Duke Leto Atreides I and his Bene Gesserit concubine Lady Jessica.

Did Leto II have children?

Paul had anticipated the birth of a daughter, Ghanima, due to his prescient visions. However, Leto's arrival came as a surprise to the Emperor. Both children were pre-born.

What is wrong with Jessica's baby in dune?

Dune. In Dune (1965), Alia is born a full Reverend Mother when she is exposed to the Water of Life (the bile of a drowned sandworm) in the womb as Lady Jessica undergoes the spice agony.