Tags: Noble.
Franz Ferdinand Duke of Hohenberg (born 13 September 1927 at Artstetten Castle Austria – died 16 August 1977 at Ried in der Riedmark Austria). He was the eldest son of Maximilian Duke of Hohenberg and Countess Maria of Waldburg at Wolfegg and Waldsee. He was also a grandson of Archduke Franz Ferdinand of Austria and Hungary and his morganatic wife Sophie Duchess of Hohenberg.