Adelaide of Holstein-Rendsburg (died January 1350), Countess of Schauenburg, was the daughter of Count Henry I and his wife, Helwig of Bronckhorst.
One source gives her birthdate as 1299 in Rendsburg, Rendsburg-Eckernforde, Schleswig-Holstein, Germany.
[1] In 1313, Adelaide married Duke Eric II of Schleswig (1288-1325).
They had two children: Both her son and her son-in-law became King of Denmark.
This article about a German duchess is a stub.