In particular, the shrine was further developed in 1519 by Shah Bigum, the daughter of the Safavid king Ismail I (), while the Safavid king Abbas I () financially supported the shrine and built there a school and pilgrim hospice. He did so partly to encourage pilgrimage to Shia shrines within his territory just before the Sunni Ottomans established in 1638 their rule over Iraq, where the shrines of most Shia Imams are located. The theological law school there was founded in 1533, known as Feyziyya after the Safavid-era philosopher Mohsen Fayz Kashani ().
The shrine was further developed in 1519 by Shah Bigum, the daughter of the Safavid king Ismail I (), while the Safavid king Abbas I () financially supported the shrine and built there a school and pilgrim hospice. He did so partly to encourage pilgrimage to Shia shrines within his territory just before the Sunni Ottomans established their rule over Iraq in 1638, where the shrines of most Shia Imams are located. The theological law school was founded in 1533, known as Feyziyya after the Safavid-era philosopher Mohsen Fayz Kashani ().