The Pahlavi Yazdanists were not related to the Quraysh tribe as stated in the Standard Islamic Narrative. They joined the Parthian Allies of Heraclius in the 620s against Sassan until they were conquered by the Quraysh in 633.
Abu Bakr may have been the chief of the Pahlavi Bakr family of Yazdanist Maullas.
=620s=
Proto-Karaites recruit the Pahlavi Yazdanists into the Heraclian alliance.
