http://www.spock.com/Muqtada-al-Sadr/newsMuqtada Al-Sadr: Muqtada al-Sadr is the fourth son of a famous Iraqi Shi‘a cleric, the late Grand Ayatollah Mohammad Mohammad Sadeq al-Sadr. He is also the son-in-law of Grand Ayatollah Mohammad Baqir As-Sadr....en-us