Ferdinand I, Duke of Parma

Ferdinand I (Ferdinando Maria Filippo Lodovico Sebastiano Francesco Giacomo; 20 January 1751 – 9 October 1802) was Duke of Parma, Piacenza and Guastalla from his father's death on 18 July 1765 until he ceded the duchy to France by the Treaty of Aranjuez on 20 March 1801. He was a member of the House of Bourbon-Parma.

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