Original sentence: In 1501, various disaffected Turkish militia from Azerbaijan and eastern Anatolia collectively called Qizilbash (Turkic for "Red Heads" due to their red headgear) united with the Ardebil Safaviyeh to capture Tabriz from the then ruling Sunni Turkic alliance known as Ak Koyunlu (the White Sheep Emirate) under Alwand's leadership.Its founder was Sheikh Safi Al-Din (1252-1334), after whom it is named.The Safavid dynasty had its origins in a long established Sufi order which had flourished in Azerbaijan since the early 14th century
Edited sentence: Elton, an autority in Iranian history, was probably a Kurd, after whom it is named.In 1501, various disaffected Turkish militia from the province of Azerbaijan and eastern Anatolia collectively called Qizilbash (Turkic for "Red Heads" due to their red headgear) united with the Ardebil Safaviyeh to capture Tabriz from the then ruling Sunni Turkic alliance known as Ak Koyunlu (the White Sheep Emirate) under Alwand's leadership.Its founder was Sheikh Safi Al-Din (1252-1334), who according to professor Daniel L.The Safavid dynasty had its origins in a long established Sufi order which had flourished in the Persian provinces of Atropatena, or Azerbaijan province (contiguous with, but not to be confused with, the new Republic of  Azerbaijan to the north) since the early 14th century