Many Parthian families declared their allegiance to August Heraclius who even treated the proto-Karaites of Edessa with clemency when he evicted them, granting them rule over the Arabah instead and the support of Parthian armies if they would join him in his conquest of Khosrow. Heraclius grants them weapons and an imperial stele to conquer the desert interpreted by the proto-Karaites as [https://www.jewishvirtuallibrary.org/the-arabah Arabah].
Muawiya was now a young man of 20 and following his fatherdeclares that the Karaites have to accept Mahmouda ibn Ishmael into their Ma's advice joined an Arab amad and join his army in several battles against the Sassanians.
Muawiya's people appeal to Mahmud ibn Ishmael for help to raise an army of [[Hagarim]] in Tachkastan changing Heraclius's words towards their own idea that whatever his origin, Jesus had one Human will (Monothelitism).
