Category
page 1Eastern Orthodox monarchs
Constantine II of Greece
King of Greece from 1964 to 1973
Boris Godunov
Russian Tsar (1598–1605)
Michael I of Romania
last king of Romania (r. 1927–1930, 1940–1947)
Olga of Kiev
princess of Kiev, Orthodox saint (c. 890–925)
Simeon II of Bulgaria
Bulgarian politician and royal (born 1937)
Constantine I of Greece
King of Greece (r. 1913–17; 1920–22)
George II of Greece
King of Greece (r. 1922-1924, 1935-1947)
Boris III of Bulgaria
king of Bulgaria (1894–1943)

Paul of Greece
King of Greece from 1947 to 1964
Alexander of Greece
King of Greece (1917–1920)
Alexandru Ioan Cuza
first ruler of the United Principalities of Moldavia and Wallachia
Nicholas I of Montenegro
Prince and King of Montenegro (1841–1921)

Carol II of Romania
king of Romania from 1930 to 1940
Michael the Brave
Romanian prince and voivode of Wallachia, Transylvania and Moldavia (1558–1601)
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Algirdas
Algirdas ( – May 1377) was Grand Duke of Lithuania from 1345 to 1377. With the help of his brother Kęstutis (who defended the western border of the Duchy), he created an empire stretching from the present Baltic states to the Black Sea and to within of Moscow.

Lazar Hrebeljanović
Medieval Serbian ruler
Stefan Lazarević
poet and writer (1374-1427)

Daniel of Galicia
Prince of Galicia (1201-1264)

Mikhail of Tver
Grand Prince of Vladimir
Roman the Great
Ruthenian prince
Rastislav
Grand Duke of Moravia
Đurađ Branković
Despot of the Serbian Kingdom of Rascia (1377-1456) (ruled 1427-1456)

Stefan the First-Crowned
King of Serbia
Yuri II of Vladimir
Grand Prince of Vladimir (1188-1238)
Yaroslav of Tver
Grand Prince of Vladimir (1230-1272)
Konstantin Tih
Bulgarian ruler
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Shvarn
Shvarn or Shvarno (Old Ruthenian: Шварно; ; ; ; – ) was Grand Duke of Lithuania from 1267 to 1269. He was also the prince of Kholm from 1264 to 1269. An influential leader, he became involved in internal struggles of power within the neighboring Grand Duchy of Lithuania.

Wojsiełk
thumb|Monastery that was presumably founded by Vaišvilkas (painting by Napoleon Orda)
Isaac Komnenos of Cyprus
ruler of Cyprus from 1184 to 1191
Anna of Trebizond
Empress regnant of Trebizond, nun (1312-1342)
Mikhail I of Vladimir
Grand Prince of Kyiv and Vladimir (1145-1176)
Igor Svyatoslavich
prince of Chernigov
George II of Georgia
King of Georgia (1054-1112)
Vasily of Kostroma
Russian Grand prince
Sviatoslav IV of Vladimir
Grand Prince of Vladimir (1196-1252)
Aleksandr Mikhailovich of Tver
Russian Grand Prince
David I of Trebizond
Emperor of Trebizond
Andrey II of Vladimir
Grand Prince of Vladimir
Dmitry of Tver
Grand Prince of Vladimir
Constantine I of Georgia
King of Georgia
Daumantas of Pskov
Lithuanian duke, ruler of the Pskov Republic, Eastern Orthodox saint (1240–1299)
Konstantin of Rostov
Russian prince (1185-1218)
Lazar Branković
Despot of Serbia
Dmitry of Pereslavl
Russian Grand Prince (circa 1250-1294)
Mstislav of Chernigov
Prince of Tmutarakan and Prince of Chernigov
Andrey of Gorodets
Russian prince
John I Doukas of Thessaly
Ruler of thessaly
Mstislav Mstislavich
Prince of Novgorod, Galich and Torchesk
Dmitry of Suzdal
Prince of Suzdal and Nizhny Novgorod
Oleg I of Chernigov
(1052-1115)
Stefan Branković
Despot of Serbia
Vsevolod of Pskov
Russian prince and saint
Vasily Kosoy
Grand Prince of Moscow
Yaropolk Izyaslavich
Prince of Turov and Volhynia (r. 1078–1086/1087)
Izyaslav of Polotsk
son of Vladimir I of Kiev and Rogneda of Polotsk
Stephen Vladislav II of Syrmia
King of Syrmia from 1316 to 1325, and claimant to the Serbian Kingdom
Bolesław Jerzy of Mazovia
Polish noble (1308-1340)
Mikhail II of Tver
Grand Prince of Tver; Grand Prince of Vladimir.
Solomon I of Imereti
King of Imereti
Niko I Dadiani, Prince of Megrelia
Georgian prince and Russian Army general (1847–1903)