What noble family was XXX part of?
Archduke Karl Salvator of Austria
Archduke Karl Salvator of Austria, in Italian Carlo Salvatore Maria Giuseppe Giovanni Battista Filippo Jacopo Gennaro Lodovico Gonzaga Raniero, in German Karl Salvator Maria Joseph Johann Baptist Philipp Jakob Januarius Ludwig Gonzaga Ranier (Florence, 30 April 1839 -- Vienna, 18 January 1892), was a member of the Tuscan branch of the House of Habsburg-Lorraine.
House of Habsburg