Abbasids
The Edumean sect of Messianic Sadducees began in Tachkastan with a Sadducee called Mahmet the Ishmaelite who adopted certain Manichean ideas about Rebbe Yehoshua Minzaret and the Mishnah which Rebbe Yehoshua Minzaret promoted.
Background
Mahmet the Ishmaelite was originally a Sadducee warlord who brutally suppressed the Christians