Wikipedia
Shahrbānū (or Shehr Bano) (Meaning: "Lady of the Land") is one of the wives of Husayn ibn Ali, (grandson of Muhammad and third Twelver Shī`a Imām) and the mother of Ali ibn Husayn (the fourth Twelver Shī`a Imām). She has also been referred with other names by different writers such as: Shaharbānawayh, Shahzanān, Salāma, Salāfa, Ghazāla, Salama, and Sādira.
Shahrbānū was a Sassanid princess and daughter of Yazdegerd III the last Emperor of the Sassanid dynasty of Persia/ Iran,. Shī`a' scholars, interalia, discuss the poetic verses attributed to Ali ibn Husayn by Abu al-Aswad al-Du'ali an Arab companion of `Ali who was still alive during the time of Ali ibn Husayn]] and affirmed that Shahrbanu was Sassanid princess and daughter of Yazdegerd III According to Majority of Shia writers, she died shortly after giving birth to her son Ali ibn Hysayn and buried in the graveyard of "Jannat ul Baqi" alongside other members of Muhammad's family, however, some Shia scholars relate the shrine at Ray to her. The eighth Twelver Shia Imam Ali ar-Ridha has also been quoted as saying, "(Shahrbānū) died during her confinement, and one of (Husayn's) slave-maid looked after him (Ali ibn Husayn). The people claimed that the slave-girl was his mother, while she was his retainer". Shahrbanu is generally considered to be a fictitious figure by non-Shiite historians but is revered by Shia Muslims around the globe