She was later given a Russian allowance from Anna of Russia. She is said to have dominated him completely and directed his policy in a pro-Prussian direction. He gave her the palace Markgräfliches Schloss Erlangen, which was named after her.
She was described as proud and a great lover of pomp and ceremony.
Her expenses had a bad effect on the finances of the state. Frederick William Kettler, Duke of Courland (19 July 1692 – 21 January 1711).
Leopold Charles Kettler (14 December 1693 – 21 July 1697).