Frederic Augustus Alexander, Duke of Beaufort-Spontin
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Frédéric Auguste Alexandre de Beaufort-Spontin, 1st Duke of Beaufort-Spontin[lower-alpha 1] (Namur, 14 September 1751 – Brussels, April 1817), was a member of the House of Beaufort-Spontin, a Belgian noble family that opposed Napoleon I of France.[1]