Who was Errana, the last poet of the 'Kavitrayam', and whose court did he serve as a poet?

Q. Who was Errana, the last poet of the 'Kavitrayam', and whose court did he serve as a poet?
Answer: Errana was the court poet of Prolaya Vema Reddy, founder of the Kondaveedu Reddy dynasty in Andhra Pradesh.
Notes: Errana completed Tikkana’s work in Andhra Mahabharatam, served Prolaya Vema Reddy of Kondaveedu (Andhra Pradesh), and is known as "Prabandha Pitamaha."