Otto VI, Margrave of Brandenburg-Salzwedel, nicknamed Otto the Short (c. 1255 – 1303 in Lehnin) was a member of the House of Ascania and co-ruler of Brandenburg. He was a son of Margrave Otto III and his wife, Beatrice of Bohemia.
|Noble family||House of Ascania|
|Spouse(s)||Hedwig of Habsburg|
|Father||Otto III, Margrave of Brandenburg|
|Mother||Beatrice of Bohemia|
In 1267, his father died and Otto succeeded as margrave, jointly with his brothers and cousins.