[1] Agnes lost her father at the age of one, and after her mother left for remarriage in Germany, she and her sisters Ingeborg, Sophia and Jutta remained to be raised at the court of her paternal uncle, the king of Denmark.
Her sisters Ingeborg and Sophia married the kings of Norway and Sweden respectively, and left Denmark with their inheritance.
The regent of Denmark, Margaret Sambiria, was forced to swear that Agnes had taken this initiative by her own freed will, before the approval was given.
In reality, the Danish regent did not wish to have more of the large inheritance of the daughters of Eric IV leave Denmark, which would be the case if Agnes and her sister Jutta married foreign princes and left Denmark, as their sisters Ingeborg and Sophia had done.
She lived the rest of her life managing her estates at Själland, and there are several documents mentioning her acts as a landowner.