To satisfy what dynasty, did the Duchy of Pomerania get partitioned several times who was later granted as a whole and the Principality of Rügen as a fief to the dukes of both Pomerania-Stettin and Pomerania-Wolgast, by a King of Bohemia and the first King of Bohemia to also become Holy Roman Emperor?
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Partitions of the Duchy of Pomerania The Duchy of Pomerania was partitioned several times to satisfy the claims of the male members of the ruling House of Pomerania dynasty. The partitions were named after the ducal residences: Pomerania-Barth, -Demmin, -Rügenwalde, -Stettin, -Stolp, and -Wolgast. None of the partitions had a hereditary character, the members of the House of Pomerania inherited the duchy in common. The duchy thus continued to exist as a whole despite its division. The only exception was made during a war with the Margraviate of Brandenburg, when in 1338 Barnim III of Pomerania-Stettin was granted his partition as a fief directly from the Holy Roman Emperor, while Pomerania-Wolgast remained under formal Brandenburgian overlordship. However, already in 1348, German king and later emperor Charles IV again granted the Duchy of Pomerania as a whole and the Principality of Rügen as a fief to the dukes of both Pomerania-Stettin and Pomerania-Wolgast, nullifying Brandenburg's claims by granting Imperial immediacy.
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Charles IV, Holy Roman Emperor Charles IV (Czech: "Karel IV." , German: "Karl IV." , Latin: "Carolus IV" ; 14 May 1316 – 29 November 1378), born Wenceslaus, was a King of Bohemia and the first King of Bohemia to also become Holy Roman Emperor. He was a member of the House of Luxembourg from his father's side and the House of Přemyslid from his mother's side, which he emphasised, because it gave him two saints as direct ancestors.
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Duchies of Silesia The Duchies of Silesia were a crown land of the Bohemian Crown, that were formed when Duchy of Silesia joined the Kingdom of Bohemia in 1335 under the Treaty of Trentschin. The duchies were ruled by the Dukes of Silesia, consisted of the Duchy of Lower Silesia, the Duchy of Upper Silesia and numerous other duchies. Most of Silesia was annexed by the Kingdom of Prussia in 1742; and the Duchy of Teschen, Duchy of Troppau and Duchy of Nysa remained under the control of the Bohemian crown as Austrian Silesia until 1918.
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Electorate of Saxony The Electorate of Saxony (German: "" , also "Kursachsen "), sometimes referred to as Upper Saxony, was a State of the Holy Roman Empire established when Emperor Charles IV raised the Ascanian duchy of Saxe-Wittenberg to the status of an Electorate by the Golden Bull of 1356. Upon the extinction of the House of Ascania, it was enfeoffed to the Margraves of Meissen from the Wettin dynasty in 1423, who moved the residence up the Elbe river to Dresden. After the Empire's dissolution in 1806, the Wettin electors raised Saxony to a kingdom.
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Flag of Prussia The state of Prussia had its origins in the separate lands of the Margraviate of Brandenburg and of the Duchy of Prussia. The Margraviate of Brandenburg developed from the medieval Northern March of the Holy Roman Empire, passing to the House of Hohenzollern in 1415. The Duchy of Prussia originated in 1525 when Albert of Brandenburg-Ansbach, a member of a cadet branch of the Hohenzollerns, secularized the eastern lands of the Teutonic Knights as a Polish fief. Prince-elector John Sigismund, Elector of Brandenburg, inherited the Duchy of Prussia in 1618, thus uniting Brandenburg and Prussia under one ruler in a personal union; the Elector's state became known as Brandenburg-Prussia. The Kingdom of Prussia formed when Elector Frederick III assumed the title of Frederick I, King in Prussia, on 18 January 1701.
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Electorate of Mainz The Electorate of Mainz (German: "Kurfürstentum Mainz" or "Kurmainz ", Latin: "Electoratus Moguntinus" ), also known in English by its French name, Mayence , was the most prestigious and among the most influential states of the Holy Roman Empire from its creation to the dissolution of the HRE in the early years of the 19th century. In the Roman Catholic hierarchy, the Archbishop-Elector of Mainz was the Primate of Germany ("primas Germaniae "), a purely honorary dignity that was unsuccessfully claimed from time to time by other Archbishops. There were only two other ecclesiastical Prince-electors in the Empire: the Electorate of Cologne and the Electorate of Trier.
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Mojmir I of Moravia Mojmir I, Moimir I or Moymir I (Latin: "Moimarus", "Moymarus", Czech and Slovak: "Mojmír I.") was the first known ruler of the Moravian Slavs (820s/830s–846) and eponym of the House of Mojmir. In modern scholarship, the creation of the early medieval state known as Great Moravia is attributed either to his or to his successors' expansionist policy. He was deposed in 846 by Louis the German, king of East Francia.
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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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Henry the Fowler Henry the Fowler (German: "Heinrich der Finkler" or "Heinrich der Vogler "; Latin: "Henricus Auceps" ) (876 – 2 July 936) was the duke of Saxony from 912 and the elected king of East Francia (Germany) from 919 until his death in 936. As the first non-Frankish king, he established the Ottonian Dynasty of kings and emperors, he is generally considered to be the founder and first king of the medieval German state, known until then as East Francia. An avid hunter, he obtained the epithet "the Fowler" because he was allegedly fixing his birding nets when messengers arrived to inform him that he was to be king. By his death in July 936 Henry had prevented collapse of royal power, as had happened in West Francia, and left a much stronger kingdom to his successor Otto I. Henry died on 2 July 936 in his royal palace in Memleben, one of his favourite places. He was buried at Quedlinburg Abbey, established by his wife Matilda in his honor.
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Henry VI, Holy Roman Emperor Henry VI (Heinrich VI) (November 1165 – 28 September 1197), a member of the Hohenstaufen dynasty, was King of Germany (King of the Romans) from 1190 and Holy Roman Emperor from 1191 until his death. From 1194 he was also King of Sicily.
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Louis II, Elector of Brandenburg Louis the Roman (German: "Ludwig VI der Römer" ) (7 May 1328 – 17 May 1365) was the eldest son of Emperor Louis IV the Bavarian by his second wife, Margaret II, Countess of Hainault, and a member of the House of Wittelsbach. Louis was Duke of Bavaria as Louis VI (1347–1365) and Margrave of Brandenburg (1351–1365) as Louis II. As of 1356, he also served as Prince-elector of Brandenburg.
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Jobst of Moravia Jobst of Moravia (Czech: "Jošt Moravský" or "Jošt Lucemburský"; German: "Jo(b)st" or "Jodokus von Mähren"; c. 1354 – 18 January 1411), a member of the House of Luxembourg, was Margrave of Moravia from 1375, Duke of Luxembourg and Elector of Brandenburg from 1388 as well as elected King of Germany (King of the Romans) from 1410 until his death. Jobst was an ambitious and versatile ruler, who in the early 15th century dominated the ongoing struggles within the Luxembourg dynasty and around the German throne.
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Kingdom of Italy (Holy Roman Empire) The Kingdom of Italy (Latin: "Regnum Italiae" or "Regnum Italicum", Italian: "Regno d'Italia") was one of the constituent kingdoms of the Holy Roman Empire, along with the kingdoms of Germany, Bohemia, and Burgundy. It comprised northern and central Italy, but excluded the Republic of Venice. Its original capital was Pavia until the 11th century.
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Bishopric of Lebus The Bishopric of Lebus (German: "Bistum Lebus" ; Polish: "Diecezja lubuska" ) was a Roman Catholic diocese of Poland and later an ecclesiastical territory of the Holy Roman Empire. It existed from 1125 until 1598. The diocese encompassed areas on both sides of the Oder River around the town of Lebus later called Lubusz Land.
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Oldřich, Duke of Bohemia Oldřich (Latin: "Odalricus, Udalrichus" , German: "Odalric, Udalrich" ;  975 – 9 November 1034), a member of the Přemyslid dynasty, was Duke of Bohemia from 1012 to 1033 and briefly again in 1034. His accession to the Bohemian throne marked the start of a phase of stability after a long period of internal dynastic struggles. Under his rule, the Moravian lands were reconquered from Polish occupation.
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Holy Roman Emperor The Holy Roman Emperor (historically "Romanorum Imperator " "Emperor of the Romans") was the ruler of the Holy Roman Empire.
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House of Griffins The House of Griffins or House of Pomerania (German: "Greifen" ; Polish: "Gryfici" ), also known as "House of Greifen", was a dynasty of dukes ruling the Duchy of Pomerania from the 12th century until 1637. The name "Griffins" was used by the dynasty after the 15th century and had been taken from the ducal coat of arms. Wartislaw I (around 1091 – died August 9, 1135) was the first historical ruler of the Duchy of Pomerania and the founder of the Griffin dynasty. The most prominent Griffin was Eric of Pomerania, who became king of the Kalmar Union in 1397, thus ruling Denmark, Sweden and Norway. The last Griffin duke of Pomerania was Bogislaw XIV, who died during the Thirty Years' War, which led to the division of Pomerania between Brandenburg-Prussia and Sweden. Duchess Anna von Croy, daughter of Duke Bogislaw XIII and the last Griffin, died in 1660.
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Bolesław I the Brave Bolesław I the Brave (Polish: "Bolesław I Chrobry"    , Czech: "Boleslav Chrabrý" ; 967 – 17 June 1025), less often known as Bolesław I the Great (Polish: "Bolesław I Wielki" ), was Duke of Poland from 992 to 1025, and the first King of Poland in 1025. As Boleslav IV, he was also Duke of Bohemia between 1002 and 1003. He was the son of Mieszko I of Poland by his wife, Dobrawa of Bohemia. According to a scholarly theory, Bolesław ruled Lesser Poland already during the last years of his father's reign. Mieszko I, who died in 992, divided Poland among his sons, but Bolesław expelled his father's last wife, Oda of Haldensleben, and his half-brothers and reunited Poland between 992 and 995.
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Wratislaus of Brno Wratislaus of Brno, Duke of Moravia, ("Czech": Vratislav Brněnský, "German": Wratislaus von Brünn, "Latin": Wratislaus Brunensis, "Russian": Вратислав (князь Брно); died 1146) was the Duke of Moravia for twenty years - between 1125-1129 and 1130 - 1146 (4+16 years - the second stage 1130-1146)). He was the first son and successor of Ulrich I, of Brno (+1092) and unknown princess (probably Slavic origin). He did not succeed as half monarch of Moravia (diarch), for all half of Moravia (the west one) as his father Ulrich I, but Brno was already divided into two parts: Brno and Znojmo and his father Ulrich was co-monarch in this part with his uncle Luitpold of Znojmo. Both brothers together later established a benedictine cloister and its St. Procopius Basilica in Třebíč and prepared as mausoleum for Brno-Znojmo branch House of Přemyslid. Wratislaus himself probably initiated the establishment of the Royal cathedral chapter of St. Peter and Paul in Brno, formally created later in 1292.
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Rastislav of Moravia Rastislav or Rostislav, also known as St. Rastislav, (Latin: "Rastiz", Greek: Ῥασισθλάϐος / "Rhasisthlábos") was the second known ruler of Moravia (846–870). Although he started his reign as vassal to Louis the German, king of East Francia, he consolidated his rule to the extent that after 855 he was able to repel a series of Frankish attacks. Upon his initiative two brothers, Cyril and Methodius sent by the Byzantine Emperor Michael III in 863, translated the most important Christian liturgical books into Slavonic in his realm. Rastislav was dethroned by his nephew Svatopluk I who handed him over to the Franks.
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Conrad II, Duke of Bohemia Conrad II Otto (Czech: "Konrád II. Ota" ;  1136 – 9 September 1191), a member of Přemyslid dynasty, was the first Margrave of Moravia from 1182 to 1189 and Duke of Bohemia from 1189 until his death.
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Radbod (prefect) Radbod ( 833–54) was the East Frankish prefect of the Eastern March ("marcha orientalis"), the Bavarian frontier towards the Slavs, appointed in 833. He had been appointed the office after Louis the German's conquest in 828, and subsequent Christianization of the Moravians (828–33). In 833, according to the "Conversio Bagoariorum et Carantanorum", a Slavic prince, Pribina, had been "driven across the Danube by Mojmir, duke of the Moravians", and fled to Radbod in East Francia around 833. Radbod introduced him to King Louis the German, who ordered that Pribina should be "instructed in the faith and baptized", and that he serve with his followers in Radbod's army. Before long, however, Radbod and Pribina fell out, and the latter, fearing for his life, fled with his son Koceľ to the First Bulgarian Empire, and then to Lower Pannonia ruled by a Slavic duke, Ratimir. Since Lower Pannonia was part of Radbod's prefecture, Ratimir's harboring of Pribina was tantamount to rebellion, therefore, in 838, Louis the German sent Radbod at the head of a large Bavarian army to crush Ratimir, but Pribina and his followers took refuge with the count of Carniola, Salacho. In short time the latter brokered a reconciliation between Radbod and Pribina, and Louis solved the ongoing instability by appointing Pribina as his faithful "dux" with lands in around the Zala river. Radbod held contacts with Rastislav (r. 847–70), ruler of the Moravians (successor to Mojmir), who had long posed a danger to Bavaria. According to the "Annals of St-Bertin", in 853 Charles the Bald, king of West Francia, bribed the Bulgarians to ally with the Slavs (apparently the Moravians) and together attack Louis the German's kingdom. In the course of the Bulgarian–Moravian attack, Louis the German deposed Radbod in 854 for infidelity, after an uprising. Radbod then formed a rebel alliance with Rastislav. In 855, Rastislav (Rastiz) rebelled, and Carloman was made prefect in Radbod's place in 856. Carloman's 858 campaign forced Rastislav to make peace.