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Saxe-Weimar-Eisenach:see under Saxe-WeimarSaxe-Weimar
, Ger. Sachsen-Weimar, former duchy, Thuringia, central Germany. The area passed in the division of 1485 to the Ernestine branch of the Wettin dynasty and remained with that branch after the redivision of the Wettin lands in 1547, when Elector John Frederick I
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