Marie-Alfred de Suin (Marie-Jean-Baptiste-Alfred de Suin)See Diane de Beausacq (April 1796 - 1861)Cavour, Camillo Benso di (1894) Count Cavour and Madame de Circourt, Some Unpublished Correspondence; edited by Count Nigra; translated by Arthur John Butler. London: Cassell; p. 129 was a French sailor.

He became Rear Admiral in May 1849 and, from 1851 to 1854, he commanded the French naval division of Brazil and La Plata and he contributed to the organization of this last country after the retirement of Rosas.

In 1855, he was appointed to the grade of Vice Admiral. He was Commander of the Legion of Honor.Gustave Vapereau, Dictionnaire universel des contemporains: contenant toutes les personnes notables de la France et des pays étrangers, Hachette, 1858, p. 1633 He is also the father of the author Diane de Beausacq.:fr:Diane de Beausacq

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