The Eighth Imām (‘Alī ibn Musa)
Name: ‘Ali.
Agnomen: Abu ‘l-Hasan ath-Thāni.
Title: Ar-Ridha.
Father: Musa ibn Ja‘far.
Mother: Najma, also known as Taktum.
Birth: 11th Dhu ‘l-Qa’dah, 148 AH in Medina.
Death: 29th Safar, 203 AH in Mashhad, Tūs (Khurāsan).
Eighth Imam: Abu 'l-Hasan ath-Thani, `ALI ar-Riza, son of Musa al-Kazim, was born in Medina on 11th Dhu 'l-hijjah 148/765; died of poison on 17th Safar, 203/818 in Mashhad (Iran).