Charles-Nicolas-Alexandre d'Oultremont was Prince-Bishop of Liège from 20 April 1763 to his death in 1771. He was the eighth child of Jean-François-Paul-Emile, Count of Oultremont and of the Holy Roman Empire, and Marie-Isabelle of Bavaria, Countess of Warfusée and Druynen and Baroness of Schagen. He was born, lived and died in the castle of Warfusée.