Frederick I, Count of Eilenburg (born c. 960; died 5 Jan 1017 in Eilenburg) was a son of Count Dietrich I and the brother of Dedo I of Wettin.
Together with his brother Dedo, he administered the Burgward of Zörbig, which had already been transferred to them before 1009. In the years 973 to 978 Frederick may have been the bailiff of Magdeburg Cathedral. In addition, Emperor Henry II entrusted him temporarily with the supervision of the castle in Meissen in the years 1009 and 1015. In 1012, Frederick stayed near the residence of the Archbishop of Magdeburg, Walthard.
Among the territories that he ruled over, besides the allod, the "civitas" of Eilenburg, in the west the former March of Lusatia, as well as count's estates in the Gau of Quezizi near Eilenburg. When Frederick died in January 1017, he left all allodial property to his three daughters and transferred Eilenburg to his nephew Dietrich I, since he himself had no male offspring.
The County of Mark was a county and state of the Holy Roman Empire in the Lower Rhenish–Westphalian Circle. It lay on both sides of the Ruhr River along the Volme and Lenne rivers.
Count Frederick of Isenberg was a German noble, the younger son of Arnold of Altena. Before the split between Arnold of Altena-Isenberg the eldest and his brother Friedrich Altena-Mark the younger son of Everhard von Berg-Altena. His family castle was the Isenberg near Hattingen, Germany.
Magnus I (1304–1369), called the Pious, was duke of Brunswick-Lüneburg.
Eike of Repgow was a medieval German administrator who compiled the Sachsenspiegel code of law in the 13th century.
Conrad I, called the Great, a member of the House of Wettin, was Margrave of Meissen from 1123 and Margrave of Lusatia from 1136 until his retirement in 1156. Initially a Saxon count, he became the ruler over large Imperial estates in the Eastern March and progenitor of the Saxon electors and kings.
Dietrichof Haldensleben was a count in the Schwabengau, later also in the Nordthüringgau and the Derlingau, who was the first Margrave of the Northern March from 965 until the Great Slav Rising of 983. He also bore the title of a dux (duke) in contemporary sources.
Lothair I was Margrave of the Nordmark from about 983 until his death. He was also a member of Saxon nobility as Count of Derlingau and of Nordthüringgau.
Werner was the Margrave of the Nordmark from 1003 until 1009. He was a cousin of the contemporary bishop and historian Thietmar of Merseburg.
BernardII of Haldensleben was the Margrave of the Nordmark from 1018 until his death. He was the grandson of Dietrich of Haldensleben and a rival of the counts of Walbeck, one of whom, Werner, succeeded him in the march following his deposition.
Dietrich II was Margrave of Lusatia from 1032 to 1034, the first of the Wettin dynasty.
Dedo I, Count of Wettin, also known as Dedo I of Wettin, was a son of Theodoric I of Wettin and Jutta of Merseburg.
Wettin Castle is a former castle that stood near the town of Wettin on the Saale river in Germany, and which is the ancestral home of the House of Wettin, the dynasty that included several royal families, including that of the current ruling families of the United Kingdom and Belgium.
Theodoric I was a nobleman in the Duchy of Saxony, and the oldest traceable member of the House of Wettin.
Bernhard, a member of the House of Ascania, was Count of Anhalt and Ballenstedt, and Lord of Bernburg through his paternal inheritance. From 1180 he was also Duke of Saxony.
Siegfried of Anhalt was born as the third son of Sophie of Winzenburg and her husband Albert the Bear, then Count of Anhalt, of the House of Ascania. In 1168 he was elected Archbishop of Bremen. Afterward he became Prince-Bishop of Brandenburg (1173–1179) as Siegfried I. In 1179 he succeeded in getting it upgraded to a Prince-Archbishopric of imperial immediacy in 1180, thus becoming Prince-Archbishop of Bremen. He was a strong advocate of Ascanian clan interests.
John I, Margrave of Brandenburg was from 1220 until his death Margrave of Brandenburg, jointly with his brother Otto III "the Pious".
Margrave Conrad II of Lusatia, also known as Margrave Konrad II of Landsberg, was a member of the House of Wettin. He was Count of Eilenburg and Margrave of Lusatia from 1190 until his death. From 1207, he was also Count of Groitz and Count of Sommerschenburg. He was a son of Margrave Dedi III and his wife, Matilda of Heinsberg, the heiress of Sommerschenburg.
Dedi III, nicknamed the Fat, a member of the House of Wettin, was Margrave of Lusatia from 1185 until his death.
Günther I of Schwalenberg was a German nobleman. He was elected Archbishop of Magdeburg in 1277, but had to step down in 1278. He was Bishop of the Bishopric of Paderborn from 1307 to 15 May 1310.
Friedrick, Count of Walbeck and Viscount (Burggraf) of Magdeburg, son of Siegfried I the Older, Count of Walbeck, and Kunigunde von Stade daughter of Henry I the Bald, Count of Stade. He was brother to Thietmar of Merseburg, whose Chronicon was the main source of information on him, and his predecessor Henry, Count of Walbeck.