She left Prague on the 8th of November 1620, after the fatal battle of the White Hill, for Kiistrin, travelling thence to Berlin and Wolfenbiittel, finally with Frederick taking refuge at the Hague with Prince Maurice of Orange.
In 1907 he was principal German delegate in the Hague Conference, and was the exponent of Germany's resolute and successful opposition to any practical discussion of the question of restriction of armaments.
Parliament voted her £ 20,000 in 1660 for the payment of her debts, but Elizabeth did not receive the money, and on the 19th of May 1661 she left the Hague for England, in spite of the king's attempts to hinder her journey, receiving no official welcome on her arrival in London and being lodged at Lord Craven's house in Drury Lane.
In 1799 Bonaparte, through whose influence his release had been obtained, sent him to the Hague to consolidate the alliance between France and the Batavian Republic. In this mission he was entirely successful, and he is credited with another diplomatic success in the inception of the Austrian marriage.
The whole machinery of government was centralized at the Hague, and Dutchmen filled nearly all the principal posts.