Demetriusm.Ancient GreekΔημήτριος 'devoted to Demeter'.
The name of a 4th C Greek saint, an 11th C king of Croatia and Dalmatia, a 12th C king of Georgia, a 14th C saint and grand prince of Moscow, and a 15th C tsar of Russia.
Cite as: R. Le Get, S.L. Uckelman. "Demetrius". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Demetrius.