Ernest Frederick may refer to:
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Ernest Frederick, Margrave of Baden-Durlach (1560–1604)
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Ernest Frederick I, Duke of Saxe-Hildburghausen
Ernest Frederick I, Duke of Saxe-Hildburghausen (21 August 1681 in Gotha – 9 March 1724 in Hildburghausen), was a duke of Saxe-Hildburghausen.
He was the eldest son of Ernest, Duke of Saxe-Hildburghausen and Countess Sophie Henriette of Wald ...
(1681–1724)
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Ernest Frederick II, Duke of Saxe-Hildburghausen
Ernst Frederick II, Duke of Saxe-Hildburghausen (17 December 1707 in Hildburghausen – 13 August 1745 in Hildburghausen), was a duke of Saxe-Hildburghausen.
Young duke
He was the third but eldest surviving son of Ernst Frederick I, Duke of Saxe ...
(1707–1745)
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Ernest Frederick, Duke of Saxe-Coburg-Saalfeld (1724–1800)
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Ernest Frederick III, Duke of Saxe-Hildburghausen (1727–1780)
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Ernest Frederick, Count Munster or Ernst zu Münster (1766–1839)
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