==Ancestors====References==*"Ruvigny's Titled Nobility of Europe", by Burkes Peerage Ltd., 1914*"Crown of Thorns", by Stephane Groueff, Lanham MD., and London, 1987 ISBN 0-8191-5778-3==External links==*Find a grave
* *"Ruvigny’s Titled Nobility of Europe", by Burkes Peerage Ltd., 1914* "Crown of Thorns", by Stephane Groueff, Lanham MD., and London, 1987 ISBN 0-8191-5778-3* Find a grave* Владетелският двор на Третото българско царство (1878-1944)