had become iced over. The Polish cavalry and Caulaincourt knew this and acted accordingly. He continued to serve Napoleon during the German Campaign of 1813. Following Napoleon's defeat at the Battle of Leipzig, Murat reached a secret agreement with the Allies in order to save his own throne and switched sides to the Coalition. In March 1815, he declared war on Austria in the proclamation to Italian patriots in Rimini, moved north to fight against the Austrians in the Neapolitan War in order to strengthen his rule in Italy by military means. He was defeated by Austrian general Frederick Bianchi at the Battle of Tolentino (2–3 May 1815). Death Murat fled to Corsica and then to Pizzo. Soon he was captured by forces of King Ferdinand IV of Naples. He was tried for treason and sentenced to death by firing squad. Coats of arms Children Murat and Caroline had four children: Achille Charles Louis Napoléon Murat, Hereditary Prince of Berg, Prince of Naples, 2nd Prince Murat (Paris, 21 January 1801 – Jefferson County, Florida, 15 April 1847), m. Tallahassee, Florida, 12 July 1826 Catherine Daingerfield Willis (near Fredericksburg, Virginia, 17 August 1803 – Tallahassee, Florida, 7 August 1867), daughter of Colonel Byrd C. Willis (29 August 1781 – 1846) and wife Mary Lewis, and great-grandniece of George Washington, without issue (Paris, 26 April 1802 – Bologna, 12 March 1859), m. Venice, 27 October 1823 Guido Taddeo Pepoli, Marchese Pepoli, Conte di Castiglione (Bologna, 7 September 1789 – Bologna, 2 March 1852), and had issue Lucien Charles Joseph Napoléon Murat, 2nd Sovereign Prince of Pontecorvo, 3rd Prince Murat (Milan, 16 May 1803 – Paris, 10 April 1878), m. Bordentown, New Jersey, 18 August 1831 Caroline Georgina Fraser (Charleston, South Carolina, 13 April 1810 – Paris, 10 February 1879), daughter of Thomas Fraser and wife Anne Lauton, and had issue; he was an associate of his first cousin Napoleon III of France. Ancestor of René Auberjonois Princess Louise Julie Caroline Murat (Paris, 21 March 1805 – Ravenna, 1 December 1889), m. Trieste, 25 October 1825 (Ravenna, 19 February 1787 – Florence, 19 July 1876) and had issue. Relatives Murat had a brother named Pierre (La Bastide-Fortunière, 27 November 1748 – La Bastide-Fortunière, 8 October 1792), who married at La Bastide-Fortunière on 26 February 1783 Louise d'Astorg (La Bastide-Fortunière, 23 October 1762 – 31 May 1832), daughter of Aymeric d'Astorg, born in 1721,