 A different general named Arco, Jean Baptist, Comte d'Arco was employed by the Electorate of Bavaria, Austria's enemy in the War of the Spanish Succession.D'Arco was born in Arco, Trentino, and already had 30 years distinguished service when he was ordered by Louis William, Margrave of Baden-Baden in 1703 to defend Breisach to the last man against a French attack under Claude Louis Hector de Villars.The city was well defended and d'Arco disposed of sufficient soldiers to hold the city for a considerable time; but he capitulated on 6 September 1703 after only 13 days of siege.