Christian Ulrich I, Duke of Württemberg-Oels

Duke Christian Ulrich I, Duke of Württemberg-Oels (9 April 1652 – 5 April 1704) was a German nobleman. He was the ruling Duke of Württemberg-Bernstadt from 1669 to 1697 and then the ruling Duke of Oels-Württemberg from 1697 until his death.

First marriage
On 13 March 1672 in Bernburg with Princess Anna Elisabeth of Anhalt-Bernburg, daughter of Christian II, Prince of Anhalt-Bernburg and Princess Eleonore Sophie of Schleswig-Holstein Sonderburg.

Issue

 * 1) Princess Louise Elisabeth of Württemberg-Oels (22 February 1673  - 28 April 1736) married Philipp, Duke of Saxe-Merseburg-Lauchstädt.
 * 2) Christian Ulrich, Hereditary Prince of Württemberg-Oels (21 February 1674 - 2 July 1674)
 * 3) Leopold Viktor, Hereditary Prince of Württemberg-Oels (22 May 1675 - 30 April 1676)
 * 4) Princess Friederike Christine of Württemberg-Oels (13 May 1676 - 3 June 1676)
 * 5) Princess Sophie Angelika of Württemberg-Oels (30 May 1677 -11 November 1700) married Frederick Henry of Saxe-Zeitz-Pegau-Neustadt.
 * 6) Princess Eleonore Amöena of Württemberg-Oels (21 October 1678 - 2 April 1679)
 * 7) Princess Theodosia of Württemberg-Oels (20 July 1680 - 21 September 1680)

Second marriage
On 27 October 1683, he married Princess Sybille Maria of Saxe-Merseburg in Doberlug.

Issue

 * 1) Princess Christine Marie of Württemberg-Oels (17 August 1685 - 24 March 1696)
 * 2) Christian Erdmann, Hereditary Prince of Württemberg-Oels (July 24, 1686 - 8 July 1689)
 * 3) Princess Eleonore Hedwig of Württemberg-Oels (July 11, 1687 - 25 October 1688)
 * 4) Princess Ulrike Erdmuthe of Württemberg-Oels (February 5, 1689 - 5 September 1690)
 * 5) Charles Frederick II, Duke of Württemberg-Oels (7 February 1690 - 14 December 1761) married Sibylle Juliane Charlotte of Württemberg-Weiltingen.
 * 6) Christian Ulrich II, Duke of Württemberg-Wilhelminenort (27 January 1691 a - 11 February 1734) married Philippine Charlotte of Redern-Krappitz.
 * 7) Princess Elisabeth Sibylle of Württemberg-Oels (19 March 1693 - 21 February 1694)

==Third marriage=

He concluded his third marriage, on 4 February 1695 in Hamburg with Sophie Wilhelmine of East Frisia. They had one daughter

Issue

 * 1) Princess Auguste Louise of Württemberg-Oels (21 January 1698 -  4 January 1739)  married Georg Albrecht of Saxe-Weissenfels, Count of Barby.

Fourth marriage
He concluded his fourth marriage, on 6 December 1700 he married Sophia of Mecklenburg-Güstrow,daughter of Gustav Adolph of Mecklenburg-Güstrow and Magdalene Sibylle of Schleswig-Holstein-Gottorp. This marriage remained childless.