Count Leo Stefan of Habsburg
Count Leo Stefan Maria Carl Wolfgang Rudolf von Fidelis of Habsburg is a member of the House of Habsburg-Lorraine and the representative of the defunct Teschen ducal line. He is the son of Archduke Leo Karl and Countess Maria-Klothilde de Thuillières von Montjoye-Vaufrey et de la Roche and a grandson of Archduke Charles Stephen of Austria. With the retroactive alteration to the House Laws of succession, Leo Stefan became entitled to the title Archduke of Austria, Prince of Hungary and Bohemia with the style His Imperial and Royal Highness despite the unequal marriage of his parents. He has seven children, including Count Albrecht of Habsburg..