In Dune: The Duke of Caladan, the first book in The Caladan Trilogy, Leto is a quiet ruler of Caladan who serves the Golden Lion Throne. He is the father of the Muad'Dib and has a partner named Jessica.
https://en.wikipedia.org/wiki/Ned_Stark
who dare test Abraham as testimony of father via the abrupt sanctity of son the sufferer: for unlike the Son the Father... of the men devoid with love of Woman: yet still devilish: devoid... of the Father and of the Son... but all thought confined to: and for the Holy Spirit that Devil is too: inclined...