Prince Konstanty Jacek Lubomirski (1620–1663) was a Polish nobleman (szlachcic).
Konstanty was owner of Jarosław estates. He was Krajczy of the Crown and Podczaszy of the Crown since 1658 and starost of Sącz. He died childless.
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| Name | Lubomirski, Konstanty Jacek |
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| Date of birth | 1620 |
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| Date of death | 1663 |
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