Barbara of Karniów (c. 1445 – April 27, 1510) was the daughter of Nicholas V of Karniów and Margaret Clemm of Ellguth.
In 1475 she married Jan IV of Oświęcim.
Together they had one daughter Helena (1478/80 – aft.
1524), married in 1492 to Baron George of Schellenberg
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