Ernst Friedrich, Herzog von Sachsen-Coburg-Saalfeld, Herzog von Sachsen-Coburg-Saalfeld, was born 8 March 1724 in Saalfeld, Thuringia, Germany to Franz Josias von Sachsen-Coburg-Saalfeld (1697-1764) and Anna Sophia von Schwarzburg-Rudolstadt (1700-1780) and died 8 September 1800 Coburg, Bavaria, Germany of unspecified causes. He married Sofie Antoinette von Braunschweig-Wolfenbüttel (1724-1802) 23 April 1749 in Wolfenbüttel, Lower Saxony, Germany.
Children
| Name | Birth | Death | Joined with |
| Franz von Sachsen-Coburg-Saalfeld (1750-1806) | 15 July 1750 Coburg, Bavaria, Germany | 9 December 1806 Coburg, Bavaria, Germany | Sophie von Sachsen-Hildburghausen (1760-1776) Auguste Reuß zu Ebersdorf (1757-1831) |
| Karl Wilhelm Ferdinand von Sachsen-Coburg-Saalfeld (1751-1757) | |||
| Friederike Juliane von Sachsen-Coburg-Saalfeld (1752-1752) | |||
| Karoline Ulrike Amalie von Sachsen-Coburg-Saalfeld (1753-1829) | |||
| Ludwig Karl Friedrich von Sachsen-Coburg-Saalfeld (1755-1806) | |||
| Ferdinand August Heinrich von Sachsen-Coburg-Saalfeld (1756-1758) | |||
| Friedrich von Sachsen-Coburg-Saalfeld (1758-1758) | |||
Footnotes (including sources)
| ‡ General |
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