Princess Magdalena Augusta of Anhalt-Zerbst

In 1696, Magdalena Augusta married her first cousin, Frederick II, Duke of Saxe-Gotha-Altenburg, who had become Duke in 1691.
They had twenty children:

1. Sophie (b. Gotha, 30 May 1697 – d. of smallpox, Gotha, 29 November 1703).
2. Magdalena (b. Altenburg, 18 July 1698 – d. 13 November 1712).
3. Frederick III, Duke of Saxe-Gotha-Altenburg (b. Gotha, 14 April 1699 – d. Gotha, 10 March 1772).
4. Stillborn son (Gotha, 22 April 1700).
5. Wilhelm (b. Gotha, 12 March 1701 – d. Gräfentonna, 31 May 1771), married on 8 November 1742 to Anna of Holstein-Gottorp. Their marriage was childless.
6. Karl Frederick (b. Gotha, 20 September 1702 – d. [of smallpox?] Gotha, 21 November 1703)
7. Stillborn daughter (b. and d. Gotha, 8 May 1703).
8. Johann August (b. Gotha, 17 February 1704 – d. Stadtroda, 8 May 1767).
9. Christian (b. Gotha, 27 February 1705 – d. of smallpox, Gotha, 5 March 1705).
10. Christian Wilhelm (b. Gotha, 28 May 1706 – d. Stadtroda, 19 July 1748), married on 27 May 1743 to Luise Reuss of Schleiz. Their marriage was childless.
11. Ludwig Ernst (b. Gotha, 28 December 1707 – d. Gotha, 13 August 1763)
12. Emanuel (b. Gotha, 5 April 1709 – d. Gotha, 10 October 1710).
13. Moritz (b. Altenburg, 11 May 1711 – d. Altenburg, 3 September 1777).
14. Sophie (b. Altenburg, 23 August 1712 – d. Altenburg, 12 November 1712).
15. Karl (b. Gotha, 17 April 1714 – d. Gotha, 10 July 1715).
16. Fredericka (b. Gotha, 17 July 1715 – d. Langensalza, 12 May 1775), married on 27 November 1734 to Johann Adolf II, Duke of Saxe-Weissenfels.
17. Stillborn son (Gotha, 30 November 1716).
18. Magdalena Sibylle (b. Gotha, 15 August 1718 – d. Gotha, 9 November 1718).
19. Augusta (b. Gotha, 30 November 1719 – d. Carlton House, 8 February 1772), married on 8 May 1736 to Frederick, Prince of Wales. They had 9 children, their second child later became King George III of Great Britain.
20. Johann Adolf (b. Gotha, 18 May 1721 – d. Friedrichstanneck, 29 April 1799).