Bahram was a member of the House of Mihran, one of the seven Great Houses of Iran. The family was of Parthian origin, and was centered in Ray, south of Tehran, the capital of present-day Iran. Bahram's father was Bahram Gushnasp, a military officer who had fought the Byzantines and campaigned in Yemen during the reign of Khosrow I (). His grandfather Gurgin Milad had served as the "marzban" (general of a frontier province, "margrave") of Armenia from 572 to 574. Bahram Chobin had three siblings whom were named: Gordiya, Gorduya and Mardansina.