His father, Mohammad Salih al-Mazandarani, was a Shia Islamic scholar and jurist from the village of Tilek in the Chahardangeh district of Sari.
His mother, Amina Bint al-Majlisi, was a distinguished woman who achieved the status of a mujtahid in Isfahan.
His maternal grandfather, Mohammad Taqi Majlesi, was a renowned Shia scholar during the Safavid era and a disciple of Sheikh Baha'i.
[2] Mohammad Hadi Mazandarani was a contemporary and follower of Aqa Ebrahim Qomi's style in Naskh calligraphy.
Another account suggests that he died in 1120 AH and states that his burial site is in the mausoleum of Allameh Majlesi in Isfahan.