John George I, Duke of Saxe-Eisenach

German duke (1634-1686)

Source-basedFalling

Lived 1634–1686, aged 52Germany

Summary

Updated 2026-07-20

Johann Georg I, Duke of Saxe-Eisenach was the fifth but third surviving son of William, Duke of Saxe-Weimar and Eleonore Dorothea of Anhalt-Dessau.

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Falling

47.2

Composite of search demand, mentions, audience & graph footprint.

Score components

Historical14.9

Source confidence60.0

Completeness50.0

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