Otto I was the

Margrave of Meissen This article lists the margraves of Margraviate of Meissen, Meissen, a March (territorial entity), march and territorial state on the eastern border of the Holy Roman Empire. History King Henry the Fowler, on his 928–29 campaign against the S ...

from 1062 until his death in 1067, and the second Margrave of the family of the counts of

Weimar Weimar is a city in the state (Germany), German state of Thuringia, in Central Germany (cultural area), Central Germany between Erfurt to the west and Jena to the east, southwest of Leipzig, north of Nuremberg and west of Dresden. Together w ...

and

Orlamünde Orlamünde () is a small town in the Saale-Holzland district, in Thuringia, Germany. It is part of the ''Verwaltungsgemeinschaft'' ("collective municipality") Südliches Saaletal. Geography The town centre stretches along the steep banks of th ...

. He was a younger son of

William III of Weimar William III of Weimar (''Wilhelmi Thuringorum praetor''; German (Died 16 April 1039) was count of Weimar from 1003 and of the Eichsfeld from 1022. He was the youngest son of Count William II of Weimar. Family * His first marriage was to Berth ...

and Oda, daughter of

Thietmar, Margrave of the Saxon Ostmark Thietmar (IV) (born ca. 1000; died 10 January 1030) was the Count of the Schwabengau and Nordthüringgau from 1010 and the Margrave of the Saxon Ostmark from 1015 until his death. He was the son and successor of Margrave Gero II. His mother was ...

. He inherited Orlamünde from his father in 1039 and Weimar from his brother

William William is a masculine given name of Germanic languages, Germanic origin. It became popular in England after the Norman Conquest, Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle ...

in 1062. He was appointed by the

Emperor Henry IV Henry IV (; 11 November 1050 – 7 August 1106) was Holy Roman Emperor from 1084 to 1105, King of Germany from 1054 to 1105, King of Italy and Burgundy from 1056 to 1105, and Duke of Bavaria from 1052 to 1054. He was the son of Henry III, Holy ...

to succeed William in Meissen as well. He became

Advocate An advocate is a professional in the field of law. List of country legal systems, Different countries and legal systems use the term with somewhat differing meanings. The broad equivalent in many English law–based jurisdictions could be a ba ...

of the Cathedral of

Merseburg Merseburg () is a town in central Germany in southern Saxony-Anhalt, situated on the river Saale, and approximately 14 km south of Halle (Saale) and 30 km west of Leipzig. It is the capital of the Saalekreis district. It had a diocese ...

in 1066. He married Adela of Louvain, daughter of Lambert II, Count of Louvain, son of

Lambert I of Louvain Count Lambert "the Bearded" ( 950 – 12 September 1015) was the first person to be described as a count of Leuven (French ''Louvain'') in a surviving contemporary record, being described this way relatively late in life, in 1003. He is also the ...

, before 1060. She gave him three daughters: * Oda, the eldest, married Egbert II of Meissen * Cunigunda, who married Yaropluk, son of

Iziaslav I of Kiev Iziaslav Yaroslavich (; 1024 – 3 October 1078; baptized as ''Demetrius'') was Prince of Turov and Grand Prince of Kiev (1054–1068; 1069–1073; 1077–1078). Iziaslav's children Yaropolk and Sviatopolk would rule the Turov Principalit ...

, then Kuno of Nordheim, and finally

Wiprecht von Groitzsch Wiprecht (or Wigbert) of Groitzsch (died 22 May 1124) was the Margrave of Meissen and the Saxon Ostmark from 1123 until his death. He was born to a noble family of the Altmark, the son of Wiprecht of Balsamgau and Sigena of Leinungen. After his ...

Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...

, the youngest, married successively

Adalbert II, Count of Ballenstedt Adalbert II of Ballenstedt ( – 1076/1083), an early member of the House of Ascania, was ''Graf'' (count) in Saxony and ''Vogt'' of Nienburg Abbey. Life Adelbert, first mentioned in a 1033 deed, was born at Ballenstedt Castle in the Saxon Sch ...

, and the

counts palatine A count palatine (Latin ''comes palatinus''), also count of the palace or palsgrave (from German language, German ''Pfalzgraf''), was originally an official attached to a royal or imperial palace or household and later a nobleman of a rank abo ...

Herman and

Henry Henry may refer to: People and fictional characters * Henry (given name), including lists of people and fictional characters * Henry (surname) * Henry, a stage name of François-Louis Henry (1786–1855), French baritone Arts and entertainmen ...

. When he died, she remarried to Dedi I of Lusatia, Otto's stepfather.

Sources

* 1067 deaths Otto 1 Year of birth unknown House of Weimar {{Germany-margrave-stub