Carl Gregor Herzog zu Mecklenburg (14 March 1933 – 23 July 2018) was a German historian of music and art.
He served as director of the Museum of the Roman Catholic Diocese of Rottenburg-Stuttgart for a period of 18 years, and was noted for his books on music and art.
Although he was born on the former grand ducal estate, his relative Frederick Francis IV abdicated from rule in 1918 upon the defeat of the German Empire in World War I.
[3][4] After completing his PhD, Herzog zu Mecklenburg worked as an assistant in the department of art history at the University of Stuttgart.
Herzog zu Mecklenburg married Princess Maria Margarethe of Hohenzollern, the daughter of Franz Joseph, Prince of Hohenzollern-Emden, in a civil ceremony on 18 February 1965 in Hechingen.