I removed with most still having red hair in their gene pools from the part   After the Kzlba lost their power in Anatolia they are assumed to have merged into the Anatolian Alevis Kurdish Alevis are sometimes still called Kzlba Even as far east as Afghanistan and Pakistan many Shias have Qizilbash as their family names with most still having red hair in their gene pools  Qizilbash Redheads refers to the headgears they worenot their haircolor as is also said in this sentence In the early th century a militant ghulat Shia order emerged called Kzlba or Redheads after their distinctive headgear   I have never heard of a prevalence of red hair among qizilbashialevis I think someone added this later as a joke