Question: What is the date of birth of Zeynab Begum's father?
Sentence (from "Tahmasp I"): This new layer, also called the "third force" in some of the modern day sources, would be solely composed of hundreds of thousands of ethnic Circassians, Georgians and Armenians, and they would continue to play a crucial role in Persia's royal household, harems, civil and military administration, as well as in all other thinkable and available positions for centuries after Tahmasp, and they would eventually fully eliminate the effective power of the Qizilbash in most of the functioning posts of the empire, by which they would also become the most dominant class in the meritocratic Safavid kingdom as well.
Relevant evidence: No