Who was the eldest son of Najib-ud-Daula and a prominent Rohilla chieftain under Mughal Emperor Shah

Q. Who was the eldest son of Najib-ud-Daula and a prominent Rohilla chieftain under Mughal Emperor Shah Alam II?
Answer: Zabita Khan
Notes: Zabita Khan, eldest son of Najib-ud-Daula, was a Rohilla chieftain and Mir Bakhshi under Shah Alam II, fought in Third Battle of Panipat, and lost Delhi and Rohilkhand to Marathas.