Ali al-Sajjad was born in 658. He was the fourth Shia Imam and the son of Imam Hussein. Ali al-Sajjad is known for his piety and his role in preserving the Shia faith after the Battle of Karbala. He is also known for his collection of prayers, known as the Sahifa al-Sajjadiyya.
Ali ibn al-Husayn Zayn al-'Abidin: A Comprehensive Quiz for True Experts