August, Duke of Saxe-Weissenfels

August of Saxe-Weissenfels (13 August 1614 – 4 June 1680) was a Duke of Saxe-Weissenfels-Querfurt of the House of Wettin and administrator of the Archbishopric of Magdeburg.

He was the fourth (but second surviving) son of John George I, Elector of Saxony, and his second wife, Magdalene Sibylle of Prussia.

First marriage
On 23 November 1647 August married Anna Maria of Mecklenburg-Schwerin in Schwerin.

Issue

 * 1) Princess Magdalena Sibylle of Saxe-Weissenfels (2 September 1648 - 7 January 1681) married Frederick I of Saxe-Gotha-Altenburg. She was an ancestor of Queen Victoria
 * 2) Johann Adolf I, Duke of Saxe-Weissenfels (2 November 1649 - 24 May 1697)
 * 3) Prince August of Saxe-Weissenfels (1650-1674) (3 December 1650 - 11 August 1674), Provost married Charlotte of Hesse-Eschwege and had issue.
 * 4) Prince Christian of Saxe-Weissenfels (25 January 1652 - 24 August 1689), General Field Marshal of the Saxon Electoral Army.
 * 5) Princess Anna Maria of Saxe-Weissenfels (28 February 1653 - 17 February 1671).
 * 6) Princess Sophie of Saxe-Weissenfels (23 June 1654 - 31 March 1724) married Karl, Prince of Anhalt-Zerbst and had issue.
 * 7) Princess Katharine of Saxe-Weissenfels (12 September 1655 - 21 April 1663).
 * 8) Princess Christine of Saxe-Weissenfels (25 August 1656 - 27 April 1698) married August Friedrich of Holstein-Gottorp, Prince-Bishop of Lübeck (son of Frederick III, Duke of Holstein-Gottorp, and his wife Duchess Marie Elisabeth of Saxony).
 * 9) Heinrich of Saxe-Weissenfels, Count of Barby (29 September 1657 - 16 February 1728) he inherited Barby.
 * 10) Prince Albrecht of Saxe-Weissenfels (14 April 1659 - 9 May 1692)
 * 11) Princess Elisabeth of Saxe-Weissenfels (25 August 1660 - 11 May 1663)
 * 12) Princess Dorothea of Saxe-Weissenfels (17 December 1662 - 12 May 1663)

Second marriage
In Halle on 29 January 1672, two years after the death of his first wife, August married Johanna Walpurgis of Leiningen-Westerburg.

Issue

 * 1) Friedrich, Duke of Saxe-Weissenfels-Dahme (20 November 1673 - 16 April 1715) he inherited Dahme.
 * 2) Prince Moritz of Saxe-Weissenfels (5 January 1676 - 12 September 1695).
 * 3) Stillborn son (1679)