Definitions for "Boyar"
A member of a Russian aristocratic order abolished by Peter the Great. Also, one of a privileged class in Roumania.
Bojar] A member of the military landed aristocracy in Bulgaria. The term was also used in Russia. (Fine, John V.A. Jr. The Late Medieval Balkans, 622)
a member of the aristocracy in Wallachia and Moldavia
Keywords:  noble, ussuran, clan, ancient
Ussuran noble.
noble (of ancient clan)
Title given to a hereditary class of mounted warriors in Vaarta.