Who is Vicomte de Bragelonne from The Vicomte de Bragelonne and what is their importance?

Raoul is the Vicomte de Bragelonne. He is also the son of the famous musketeer, Athos, who has been named the comte de la Fère. It was believed early on that Raoul was adopted by Athos. Later, it is learned that Athos is Raoul's biological father.

The three Musketeers have gone on to live separate lives and often use Raoul as a common thread that ties them together. Raoul does not often see his father, which brings him heartache, but he does as Athos wishes and stays at the conde's court.

Raoul is first introduced when he arrives in Blois on behalf of M. le Prince to inform Gaston of the King's arrival. Raoul is greatly admired by Montalais and Louise, the latter of which becomes his love. Raoul is 24 to 25 years old, well-dressed, and attractive. He is, in many ways, less formidable than his father and is referred to as somewhat nervous and delicate. Raoul also suffers from melancholia, particularly after he loses Louise to Louis XIV. Raoul, raised with the morals and chivalry of the Musketeers, cannot adapt to the ways of Louis XIV. Raoul often interferes, albeit unsuccessfully, in various government matters.

Raoul, distraught over losing Louise, goes to war in Africa and is killed.