Complex sentence: Tussaud was employed to make death masks of the victims of the guillotine, including some of the revolution's most infamous dead such as Louis XVI, Marie Antoinette, Marat, and Robespierre.
Split into simpler sentences: Tussaud was employed to make death masks of the victims of the guillotine. Madame Tussaud made death masks of the revolution's most infamous dead such as Louis XVI, Marie Antoinette, Marat, and Robespierre.