Vladimir Olgerdovich was a son of which ruler of medieval Lithuania?
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Vladimir Olgerdovich Vladimir Olgerdovich (Belarusian: Уладзімер Альгердавіч , Lithuanian: "Vladimiras Algirdaitis" , Polish: "Włodzimierz Olgierdowic" , Ukrainian: Володимир Ольгердович ; died after 1398) was a son of Algirdas, Grand Duke of Lithuania, and his first wife Maria of Vitebsk. He was Grand Prince of Kiev from 1362 to 1394. His sons Ivan and Alexander started the Belsky and Olelkovich families.
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Algirdas Algirdas (Belarusian: Альгерд , Russian: Ольгерд , Polish: "Olgierd" ;  1296  – May 1377) was a ruler of medieval Lithuania. He ruled the Lithuanians and Ruthenians 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 fifty miles of Moscow.
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Grigory Bogdanovich Volovich Grigory Bogdanovich Volovich (born in 1535 – died in 1577) was a statesman of the Grand Duchy of Lithuania, diplomat of the Lord's gentleman (from 1548), the Mayor of Grodno (1558–1566), Marshal of Dvorny (1560–1563), of the Lord's Stalker (1567–1574), governor of Smolensk Voivodeship (1571–1577), the elder of Mstsislaw (1548–1567), sovereign of Varniany and Zel’va (1558–1569).
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Lithuanian nobility The Lithuanian nobility was historically a legally privileged class in the Grand Duchy of Lithuania consisting of Lithuanians, from the historical regions of Lithuania Proper and Samogitia, and, following Lithuania's eastern expansion, many Ruthenian noble families ("boyars"). Families were primarily granted privileges for their military service to the Grand Duchy. The Polish-Lithuanian Commonwealth had one of the largest percentages of nobility in Europe, close to 10% of the population, in some regions, like Samogitia, it was closer to 12%.
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Narimantas Narimantas or Narymunt (baptized "Gleb", born in 1277 or just before 1300 (according to Wasilewski 1992) – 2 February 1348) was the second eldest son of Gediminas, Grand Duke of Lithuania. During various periods of his life, he ruled Pinsk and Polatsk. In 1333 he was invited by Novgorod's nobles to rule and protect territories in the north, Ladoga, Oreshek and Korela. He started the tradition of Lithuanian mercenary service north of Novgorod on the Swedish border that lasted until Novgorod's fall to Moscow in 1477.
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Mikołaj II Radziwiłł Mikołaj II Radziwiłł (Lithuanian: "Mikalojus Radvila" ) (1470–1521) was a magnate and statesman of the Grand Duchy of Lithuania.
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Iron Wolf (character) The Iron Wolf (Lithuanian: "Geležinis Vilkas" ) is a mythical character from a medieval legend of the founding of Vilnius, the capital city of the old Grand Duchy of Lithuania and modern Republic of Lithuania. First found in the Lithuanian Chronicles, the legend shares certain similarities with the Capitoline Wolf and possibly reflected Lithuanian desire to showcase their legendary origins from the Roman Empire (see the Palemonids). The legend became popular during the era of Romantic nationalism. Today Iron Wolf is one of the symbols of Vilnius and is used by sports teams, Lithuanian military, scouting organizations, and others.
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Gregory the Bulgarian Gregory the Bulgarian (Russian: Григорий Болгарин ), or Gregory II ( 1458 – d. 1474) was an Uniate Ruthenian metropolitan in Kiev, then in the Grand Duchy of Lithuania. His official title was "Metropolitan of Kiev, Galich and All Rus'".
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Yuri Dolgorukiy Yuri I Vladimirovich (Russian: Юрий Владимирович ), known under his soubriquet Yuri Dolgorukiy (Russian: Юрий Долгорукий , literally "Yuri the Long-Armed"; also known in various accounts as "Gyurgi, Dyurgi", or "George I of Rus"), (c. 109915 May 1157) was a Rurikid prince and founder of the city of Moscow. He reigned as Velikiy Kniaz (Grand Prince) of Kiev from September 1149 to April 1151 and then again from March 1155 to May 1157. Yuri played a key role in the transition of political power from Kiev to Suzdal following the death of his elder brother Mstislav the Great in 1132.
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Sophia of Lithuania Sophia (1371–1453) was the only daughter of Vytautas the Great of Lithuania and his first wife, Anna. On 21 January 1391, while her father was engaged in the Lithuanian Civil War, she married Vasili I of Russia. She was the longest serving consort of Russia. After Vasili's death in 1425 she became regent for their ten-year-old son Vasili II. Her father supported Vasili's claim to the throne, which was disputed by his uncle, Yuri of Zvenigorod. Sophia was buried in the Ascension Convent; the sarcophagus was moved in 1929 to the Cathedral of the Archangel by Soviet authorities.
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Names and titles of Władysław II Jagiełło Jogaila, or Władysław II Jagiełło (ca.1351/1361–1434), was a Grand Duke of Lithuania and from 1386 Queen Jadwiga's husband and "jure uxoris" King of Poland. In Lithuania, he held the title "Didysis Kunigaikštis", translated as Grand Duke or Grand Prince ("kunigaikštis" is a cognate of "König" and "king", and "didysis" magnifies it).
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Sophia of Halshany Sophia of Halshany or Sonka Olshanskaya (Belarusian: Соф'я Гальшанская, "Sofja Halšanskaja" ; Lithuanian: "Sofija Alšėniškė" ; Polish: "Zofia Holszańska" ;  1405 – September 21, 1461 in Kraków) was a Grand Duchy of Lithuania princess of Halshany. As the fourth and last wife of Jogaila, King of Poland and Supreme Duke of Lithuania, she was Queen consort of Poland (1422–1434). As the mother of Władysław III, King of Poland and Hungary, and Casimir IV, Grand Duke of Lithuania and King of Poland, she was the founder of the Jagiellon dynasty.
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Treaty of Vilnius (1559) The Treaty of Vilnius or Vilna was concluded on 31 August 1559, during the Livonian War, between the Livonian Order and the Polish-Lithuanian Commonwealth at Vilnius (Vilna, Wilna, Wilno). Gotthard von Kettler put the lands of the order under protection of Polish king and Grand Duke of Lithuania, Sigismund II Augustus. The alliance was intended to neutralize the imminent threat of annexation of the order's lands by Russia, yet despite earning military support from Polish-Lithuanian chancellor Mikołaj "the Black" Radziwiłł, Kettler was unable to prevent the occupation of most of Livonia by Russian forces. Thus, Kettler concluded a second treaty with Poland-Lithuania on 28 November 1561, transferring the remnants of the Teutonic Order State to the Polish Crown and the Grand Duchy of Lithuania, himself becoming a vassal of Sigismund II Augustus.
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Igor II of Kiev He was the chosen successor of his brother, Vsevolod II of Kiev. Though his brother had extracted promises of loyalty from his Kievan subjects, Igor and his family, the Olgovichi, were unpopular and there was resistance against his accession. The chroniclers accused Igor of being dishonest, greedy, scheming, and violent. He had reigned less than two weeks before the Kievans invited his cousin and rival, Iziaslav Mstislavich, to be their prince. Reneging on a promise he had made not to seek power, Iziaslav attacked and defeated Igor and his brother Svyatoslav.
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Simeon of Moscow Simeon Ivanovich Gordiy (the Proud) (Семён Иванович Гордый in Russian) (7 November 1316 – 27 April 1353) was Prince of Moscow and Grand Prince of Vladimir. Simeon continued his father's policies aimed to increase the power and prestige of his state. Simeon's rule was marked by regular military and political standoffs against the Novgorod Republic and Lithuania. His relationships with neighboring Russian principalities remained peaceful if not passive: Simeon stayed aside from conflicts between subordinate princes. He had recourse to war only when war was unavoidable. A relatively quiet period for Moscow was ended by the Black Death that claimed the lives of Simeon and his sons in 1353.
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Magnus I, Duke of Mecklenburg Magnus I, Duke of Mecklenburg (1345 – 1 September 1384) was Duke of Mecklenburg from 1383 until his death. Magnus was the third son of Duke Albert II of Mecklenburg and his wife Euphemia of Sweden, the sister of the King Magnus IV of Sweden. Sometime after 1362, he married Elizabeth of Pomerania-Wolgast, daughter of Barnim IV, Duke of Pomerania.
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Crown of Rus The Crown of Rus, also known as the Crown of Kingdom of Galicia–Volhynia, is the crown with which Daniel of Galicia was crowned in 1253 by a papal archbishop in Drohiczyn.
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Vladislaus II of Hungary Vladislaus II, also known as Vladislav II, Władysław II or Wladislas II (1 March 1456 – 13 March 1516; ; Hungarian: "II. Ulászló" ; Polish: "Władysław II Jagiellończyk" ; Croatian: "Vladislav II. Jagelović" ; Slovak: "Vladislav II. Jagelovský" ), was King of Bohemia from 1471 to 1516, and King of Hungary and Croatia from 1490 to 1516. As the eldest son of Casimir IV Jagiellon, he was expected to inherit Poland and Lithuania. George of Poděbrady, the Hussite ruler of Bohemia, offered to make Vladislaus his heir in 1468. Poděbrady needed Casimir IV's support against the rebellious Catholic noblemen and their ally, Matthias Corvinus, king of Hungary. The Diet of Bohemia elected Vladislaus king after Poděbrady's death, but he could only rule Bohemia proper, because Matthias (whom the Catholic nobles had elected king) occupied Moravia, Silesia and Lusatia. Vladislaus tried to reconquer the three provinces with his father's assistance, but Matthias repelled them.
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Maria of Vitebsk Maria of Vitebsk (died before 1349) was the first wife of Algirdas, future Grand Duke of Lithuania (marriage took place around 1318). Very little is known about her life. The only child of a Russian prince Yaroslav, Maria was the only heir to the Principality of Vitebsk. After her father's death ca. 1345, Vitebsk fell permanently under control of Algirdas and other Gediminids. Maria gave birth to five sons, all of whom grew up while Algirdas was still only a regional duke in Slavic lands of the Grand Duchy of Lithuania. All five sons were baptized in Orthodox rite and ruled Russian lands giving rise to prominent clans of Russian dukes (Trubetskoy family from Demetrius I Starshy, Czartoryski family from Constantine, Sanguszko family from Fiodor, Belsky and Olelkovich families from Valdimir). After Maria's death, Algirdas married another Russian princess, Uliana of Tver. After Algirdas' death, eldest sons of Maria and Uliana battled over succession rights.
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Vlad Călugărul Vlad IV Călugărul, (believed born prior to 1425 – September 1495) translated as Vlad the Monk, was the pious half-brother of Vlad III (Vlad the Impaler, or Dracula), and one of many rulers of Wallachia during the 15th century. Vlad the Monk was a contender to his brother's throne as ruler of the principality of Wallachia for many years, but he took no active part in fighting for the throne until near the end of Vlad III's lifetime.
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Michael Žygimantaitis Michael Žygimantaitis (Lithuanian: "Mykolas Žygimantaitis" , Polish: "Michał Bolesław Zygmuntowicz" ; before 1406 – shortly before February 10, 1452 in Moscow) was the last male descendant of Kęstutis, Grand Duke of Lithuania. He supported his father Sigismund Kęstutaitis in power struggles with Švitrigaila. In 1435 he led his father's army to victory in the Battle of Pabaiskas. After his father's assassination in 1440, Michael unsuccessfully fought against Casimir IV Jagiellon for the title of the Grand Duke of Lithuania. At first Michael was supported by Samogitia, but in 1441 Casimir issued a privilege confirming Samogitia's semi-autonomous status and thus avoiding a civil war. Until 1447 he was supported by Dukes of Masovia. In 1448 Michael asked help from the Crimean Khanate. With their help he attacked and shortly took control of Kiev, Starodub, Novhorod-Siversky. Soon he was captured and transported to the Grand Duchy of Moscow where he died under unclear circumstances (possibly poisoned). He was buried in Vilnius Cathedral.
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Mikhailo Olelkovich Mikhailo Aleksandrovich Olelkovich (executed on August 30, 1481 in Vilnius) was a noble from the Olelkovich family of the Grand Duchy of Lithuania. He was the brother of Prince Simeon Olelkovich of Kiev and cousin of Grand Prince Ivan III of Moscow. Mikhailo was allegedly involved both in bringing the Judaizer Heresy to Novgorod and the failed defection of the city to the Grand Duchy of Lithuania in 1471. He also organized a coup against Casimir IV Jagiellon, King of Poland and Grand Duke of Lithuania, but was discovered and executed in 1481. Mikhailo's son Semen continued the family line.