 In 1556, she and her sisters were given a dowry of 100.000 daler, had their portraits painted and their personal qualities described in Latin by the court poet Henricus Mollerus and were presented on the Dynastic marriage market.The same year, her father presented Ostfriesland with a trading treaty and a marriage alliance.Ostfriesland was chosen because it was strategically placed toward Denmark, and because the Calvinistic Emden was a rival to Lubeck and a treaty could break the domination of the Hanseatic league in Sweden.