Who married Christine Charlotte of Württemberg?

Christine Charlotte of Württemberg (21 October 1645, Stuttgart – 16 May 1699, Bruchhausen) was a princess consort of East Frisia by her marriage to George Christian, Prince of East Frisia. She served as the regent of East Frisia during the minority of her son from 1665 until 1690.

George Christian (6 February 1634, Aurich – 6 June 1665, Aurich) was a member of the Cirksena family and succeeded his brother Enno Louis as ruler of East Frisia. He ruled from 1660 to 1665. Under his reign, the Cirksena family acquired on 18 April 1662 the hereditary title of Imperial Prince.