Who were Frederick the great advisors?

Frederick the Great of Prussia was influenced by several key advisors during his reign, including Hans Hermann von Katte, who provided military counsel and support in Frederick's early years. Another significant figure was Heinrich von Kleist, who served as a military commander and advisor. Additionally, the philosopher Voltaire had a notable intellectual relationship with Frederick, influencing his thoughts on governance and culture. Together, these advisors contributed to Frederick's military successes and enlightened reforms.