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Augustin Bon Joseph de Robespierre (21 January 1763 – 28 July 1794), known as Robespierre the Younger, was a French lawyer, politician and the younger brother of French Revolutionary leader Maximilien Robespierre. His political views were similar to his brother's. When his brother was arrested on 9 Thermidor, Robespierre volunteered to be arrested as well, and he was executed by the guillotine along with Maximilien and 20 of his supporters.