Anna of Saxony took up with her lawyer, with whom she had an illegitimate daughter called Christina.

Anna of Saxony was sent to Beilstein castle with Christina, here her behavior became worse, until the servants were ordered to keep all knives away from her, lest she attack someone.

Anna of Saxony began to suffer from hallucinations and violent outbursts.

Anna lived out the rest of her days in Dresden, until her death aged thirty-two in 1577.

After her death in 1582, William married Louise de Coligny who gave birth to a son, Frederick Henry, Prince of Orange.