William (died 10 September 1056) was the

Margrave of the Nordmark The Northern March or North March (german: Nordmark) was created out of the division of the vast ''Marca Geronis'' in 965. It initially comprised the northern third of the ''Marca'' (roughly corresponding to the modern state of Brandenburg) and ...

from 1051 until his death. He was the eldest son and successor of the Margrave Bernard by a daughter of

Vladimir the Great Vladimir I Sviatoslavich or Volodymyr I Sviatoslavych ( orv, Володимѣръ Свѧтославичь, ''Volodiměrъ Svętoslavičь'';, ''Uladzimir'', russian: Владимир, ''Vladimir'', uk, Володимир, ''Volodymyr''. Se ...

. He died fighting the Slavs in the Battle of Pritzlawa. Upon his death, he was succeeded by his half-brother

Otto Otto is a masculine German given name and a surname. It originates as an Old High German short form (variants ''Audo'', '' Odo'', ''Udo'') of Germanic names beginning in ''aud-'', an element meaning "wealth, prosperity". The name is recorded f ...

as Margrave of the Nordmark.

Sources

*Medieval Lands Project
Nobility of Brandenburg.
*Bury, J. B. (editor), ''The Cambridge Medieval History: Volume III, Germany and the Western Empire'', Cambridge University Press, 1922, page 306 Margraves of the Nordmark 1056 deaths Year of birth unknown {{Germany-margrave-stub