The family of al-Qazwini (Arabic: آل القزويني, romanized: ʾĀl al-Qazwīnī), also transliterated in a number of other ways, including al-Qazweeni or al-Qazvini are an Iraqi religious Shia family that settled in Karbala from Qazvin, in the late 18th century.
[3][4] Additionally the family claim agnatic descent from Muhammad's daughter Fatimah, carrying the honorific title of Sayyid, and the children of the females of this family whose fathers are non Sayyids carry the title Mirza.
He took a strong stance against Qasim, by rejecting to join the iftar he had prepared for the religious convoy in Ramadan, 1960, which lead to his imprisonment, making him the first cleric to become a political prisoner in Baghdad.
In 1980, Ayatollah Sayyid Muhammad-Sadiq al-Qazwini, was arrested and imprisoned by Saddam Hussein because he did not support the Baathist regime.
Following the few weeks after the collapse of the regime in 2003, the family found documents verifying his death in Saddam's prisons.