Alaa hails from a religious family. His father, the writer, preacher Sheikh Haider Saleh Al-Marjani Al-Khuza’i (1927-1997), studied at the Hawza in holy Najaf and was interested in writing encyclopedic books about Najaf and its figures, including the books: “The Preachers of the Al-Minbar Al-Husseini”, “An-Najaf Al-Ashraf in the Past and Now”, "Fragments from the life of As-Sadiq", "Personalities of Najaf", "Nuggets of Etiquette and Morals", "Nuggets from the Literature of the Revolution", and "History of Alawi Shrine".[1]