The nationality of XXX is?
François-Xavier-Marc-Antoine de Montesquiou-Fézensac
Abbé François-Xavier-Marc-Antoine de Montesquiou-Fézensac (château de Marsan, Gers, 3 August 1757 -- château de Cirey-sur-Blaise, Haute-Marne, 4 February 1832) was a French clergyman and politician.
French