Friedrich Kettler, Date of Birth, Place of Birth, Date of Death
TweetFriedrich Kettler
aristocrat from Latvia
Date of Birth: 
Place of Birth: Jelgava, Latvia
About Friedrich Kettler
- Friedrich Kettler (Latvian: Fridrihs Ketlers, 25 November 1569 in Mitau (now Jelgava) – 17 August 1642) was Duke of Courland and Semigallia (Latvian: Kurzemes un Zemgales hercogiste, now part of Latvia) from 1587 to 1642. He was the son of Gotthard Kettler, the first Duke of Courland.
- Until 1617, he ruled only the eastern Zemgale (Semigallia) portion of the duchy, while his younger brother, Wilhelm Kettler, ruled the western Courland portion.
- Friedrich ruled the entire duchy from 1617 onward, after his brother emigrated due to conflicts with the nobility.
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