"Duchy of Bouillon"@en . . . . "Bouillon, Duchy"@en . . "Duke of Bouillon (French: duc de Bouillon) was a hereditary title borne until the early nineteenth century by members of the House of La Tour d'Auvergne as rulers of the duchy of Bouillon (French: duch\u00E9 de Bouillon), a small state located between Luxembourg, Champagne, and the Three Bishoprics."@en . . "1794Z"^^ . "0015Z"^^ . "1794-04-24Z"^^ . . "Duch\u00E9 de Bouillon"@en .