Complex sentence: Meri Khel (ميرىخيل) were the first people, whose ancestor Meri came from Kohat and settled in the area during the reign of the Mughal Emperor Babur.
Split into simpler sentences: Meri Khel (ميرىخيل) were the first people to settle there. Their ancestor Meri came from Kohat during the reign of the Mughal Emperor Babur.