"Duke Christian Ulrich I of Württemberg-Oels (born: 9 April 1652 at Oels Castle in Oels; died: 5 April 1704, Oels Castle) was a German nobleman. He was the ruling Duke of Württemberg-Bernstadt from 1669 to 1697 and then the ruling Duke of Oels-Württemberg from 1697 until his death." - (en.wikipedia.org 24.12.2019)
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