() (c. 1060 – 3 July 1090) was Count of Brunswick
and Margrave of Meissen
. He was the eldest son of the Margrave Egbert I
of the Brunonen
Still a minor, he succeeded his father on the latter's death 11 January 1068 in Brunswick and Meissen. He was married to Oda, daughter of Count Otto of Meissen
, whose lands he inherited, including the castle of Wanderslebener Gleichen
In 1073, the Saxons, led by Duke Magnus
and Otto of Nordheim
, rebelled against King Henry IV
. The insurrection was crushed by Duke Vratislaus II of Bohemia
in the First Battle of Langensalza
on 9 June 1075. Whether Egbert had participated in the Saxon rebellion remains unclear based on extant sources, but since he had nonetheless proved himself an opponent of the king, he was deprived of Meissen, which was given to Vratislaus. However, Egbert drove Vratislaus from Meissen the next year and was condemned. A Frisian county then in his possession was confiscated and given to the Bishop of Utrecht
Egbert originally supported anti-king Rudolf of Rheinfeld
, but eventually he and many other Saxon nobles withdrew their support and remained neutral.
After the death of Otto of Nordheim in 1083, Egbert was the most important, but also inconsistent, Saxon opponent of Henry IV. In 1085, the two were briefly reconciled and Egbert entertained Henry in Saxony in July. In September, the conflict was resumed, but in 1087, Egbert and Henry made peace.
Some sources report that after the death of......