Otto IV, Margrave of Brandenburg-Stendal [SEP] noble family
Otto IV, Margrave of Brandenburg-Stendal
Otto IV, Margrave of Brandenburg-Stendal, nicknamed "Otto with the arrow" ( – 27 November 1308 or 1309) was the Margrave of Brandenburg from the House of Ascania from 1266 until his death.
Life.
Otto was the son of John I and his first wife, Sophie of Denmark. His maternal grandparents were king Valdemar II of Denmark and his second wife, Berengaria of Portugal; his paternal grandparents were Albert II and Matilda of Lusatia.
Life Reign
Life.
He was a son of Margrave Conrad of Brandenburg-Stendal and his wife Constance, eldest daughter of the Piast duke Przemysł I of Greater Poland. Waldemar was co-regent from 1302, and succeeded as margrave upon the death of his uncle Otto IV in 1308.
In 1307 Waldemar signed an agreement with the Swienca family ceding him the lands of Pomerelia (Gdańsk Pomerania), whereafter Brandenburg troops occupied Świecie, Tczew and all strategic locations up to Gdańsk (Danzig). In turn, the Polish king