from her residence in Denmark until her death. In 1270 she founded and donated money to the Abbey of the Holy Cross in Rostock. She died in December 1282 and was buried in the church of the Cistercian Doberan Abbey on the Baltic Sea coast of Germany. Children Margaret and Christopher had three children: Matilda (died 23 April 1299/19 November 1300), married to Albert III, Margrave of Brandenburg-Salzwedel. Margaret (died 1306), married count John II of Holstein-Kiel. Eric V of Denmark (1249–1286). References Related reading Anne J. Duggan, ed (2002) Queens and Queenship in Medieval Europe (Boydell Press) John Carmi Parsons, ed (2016) Medieval Queenship (Springer Publishing Company) 1230 births 1282 deaths 13th-century women rulers Danish royal consorts Regents of Denmark Rulers of Estonia 13th-century Danish people 13th-century Danish women Samborides Queen mothers