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In page Arcadie Claret:

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Arcadie Meyer, Baroness of Eppinghoven, born Marie-Anne Arcadie Eugénie Claret[citation needed] (30 May 1826 – 13 January 1897),[citation needed] was a Belgian noblewoman and the mistress of Leopold I, King of the Belgians for more than twenty years,[1] causing a national scandal.