sentences:  The negotiations were handled by her favorite and confidante Emerentia von Düben.The marriage was supported by her grandmother Hedwig Eleonora, as the Queen Dowager thought this would force Ulrika Eleonora to leave Sweden for Hesse, increasing the chances for the son of Ulrika Eleonora's elder sister, Charles of Holstein-Gottorp, to become heir to the throne.The engagement was announced on 23 January 1714, and the wedding took place 24 March 1715.