Simon Duval

From Tardis Wiki, the free Doctor Who reference

Simon Duval was a servant to Marshal Gaspard de Saux-Tavannes.

He assisted his master in the conspiracy to assassinate Admiral Gaspard de Coligny in August 1572. (TV: The Massacre)

However, according to another source, he was killed by Gaston Lerans in a swordfight. (PROSE: The Massacre)