Biron de Courcy is a fictional character from the novel "The Three Musketeers" by Alexandre Dumas. He is depicted as a nobleman and a member of the French court during the early 17th century. Known for his charm and wit, Biron plays a supporting role in the adventures of the main characters, including d'Artagnan and the Musketeers. In the story, Biron is portrayed as a loyal friend and a skilled swordsman. His interactions with other characters highlight themes of friendship, loyalty, and the complexities of court life. Although not a central figure, he contributes to the rich tapestry of the narrative.