He completed his second marriage, on 27 October 1683 in Doberlug with Sibylle Maria (born: 28 October 1667; died: 9 October 1693), daughter of Duke Christian I of Saxe-Merseburg and Christiana of Schleswig-Holstein-Sonderburg-Glücksburg. With her he had seven more children: Christine Marie (born: 17 August 1685 in Bernstadt; died: 24 March 1696 in Bernstadt), Princess of Württemberg-Oels. Christian Erdmann (born July 24, 1686 in Merseburg; died: 8 July 1689 in Merseburg), Hereditary Prince of Württemberg-Oels. Eleonore Hedwig (born July 11, 1687 in Bernstadt; died: 25 October 1688 in Bernstadt), Princess of Württemberg-Oels Ulrike Erdmuthe (born February 5, 1689 in Breslau; died: 5 September 1690 in Bernstadt), Princess of Württemberg-Oels. Charles Frederick (born: 7 February 1690 at Merseburg; died: 14 December 1761 in Oels), Duke of Württemberg-Oels-Juliusburg, married Sibylle Juliane Charlotte of Württemberg-Weiltingen. Christian Ulrich II (born: 27 January 1691 at Vielguth Castle in Oels; died: 11 February 1734 in Stuttgart), Duke of Württemberg-Wilhelminenort, married Philippine Charlotte of Redern-Krappitz. Elisabeth Sibylle (born: 19 March 1693 in Delitzsch; died: 21 February 1694 in Delitzsch), Princess of Württemberg-Oels. He concluded his third marriage, on 4 February 1695 in Hamburg with Sophie Wilhelmine of East Frisia (born: 17 October 1659; died: 4 February 1698), daughter of Prince Enno Louis Cirksena of East Frisia and Juliana Sophia Justina of Barby-Mühlingen. With her he had one daughter: Auguste Louise (born: 21 January 1698 in Bernstadt, died: 4 January 1739 at Castle Skarsine Trebnitz), Princess of Württemberg-Oels, married Georg Albrecht of Saxe-Weissenfels, Count of Barby. He concluded his fourth marriage, on 6 December 1700 in Güstrow with Sophia (born: 21 June 1662; died: 1 June 1738), a daughter of Duke Gustav Adolph of Mecklenburg-Güstrow and Magdalene Sibylle of Schleswig-Holstein-Gottorp. This marriage remained childless. References Sönke Lorenz (ed.): Das Haus Württemberg. Ein biographisches Lexikon, Kohlhammer, Stuttgart 1997, p. 208–209, External links 1652 births 1704 deaths 17th-century dukes of Württemberg 18th-century dukes of Württemberg 17th-century Bohemian people Dukes of Silesia Bohemian nobility People from Oleśnica