In the course of 1628, he discovered that his wife, Kirsten Munk, was having a relationship with one of his German officers. Christian had Munk placed under house arrest. She endeavoured to cover up her own disgrace by conniving at an intrigue between Vibeke Kruse, one of her discharged maids, and the king. In January 1630, the rupture became final and Kirsten retired to her estates in Jutland. Meanwhile, Christian openly acknowledged Vibeke as his mistress, and she bore him several more children.
