A ranar ashirin ga watan Jimada al-Thani 1320 hijira Kamariyya, wadda ta yi daidai da 30 ga watan Shahribar 1281 hijira shamsiyya (24 ga Satumba 1902 miladiyya) aka haifi wani jariri a garin Khumain, wani gari da ke lardin tsakiyana Iran. Iyayensa dai mutane ne masu tsoron Allah, masana ilmummukan Musulunci wadanda kuma suka fito daga zuriyar Nana Fatima al-Zahra (a.s) inda suka sanya masa suna Ruhullah al-Musawi al-Khumaini.