Louis-Antoine de Bourbon, duc d'ANGOULÊME (1775-1844) son of Charles X, he fought in the Emigration and the Hundred Days; he married Madame Royale. L.A.S., Hartwell March 29, 1813, to a "cousin"; 1 page in-4 (small mourning). "I hasten, Sir, to testify to you how deeply the Duchess of Angouleme and I share the terrible loss you have just suffered. We were seized by this cruel news which we were so far from expecting. You have known me long enough [...] not to doubt all the feelings that my heart feels at this moment and that I cannot return to you as much as I feel them "... A P.S., brevet d'enseigne de vaisseau for Jacques-Nicolas Lemarié, December 10, 1817, co-signed by Louis XVIII (secretary) and the Count Molé (vellum, seal with arms under paper and ink stamps) is attached.