Wandad Hurmuzd

In 760, during the reign of Vandad Hormozd's father, whose name is unknown, the Dabuyids, under Khurshid of Tabaristan, revolted against the Abbasid Caliphate.

Shortly after Khalid's departure, Vandad Hormozd sent the Bavand ruler Sharwin I a letter which urged him to revolt against the Abbasids.

In 805, the Abbasid caliph Harun al-Rashid visited Ray, where he met Vandad Hormozd and Sharwin I, who assured their submission to him and promised to pay tax.

In order to ensure their loyalty, Harun took Sharwin's grandson Shahriyar I and Vandad Hormozd's son Qarin ibn Vindadhhurmuzd as hostages to Baghdad.

However, this change was not embraced by local princes in remote regions, like Wandad Hurmuzd, who did not know Arabic and needed an interpreter to communicate with Harun al-Rashid.