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Kazimierz Czartoryski

Prince of Klewań and Żuków and Castellan of Vilnius. His children Michał Fryderyk, August Aleksander and Konstancja belonged to the generation that strengthened Czartoryski political influence.

1674 – 1741Prince / CastellanCzartoryski
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Biography

Life of Kazimierz Czartoryski

Offices and patrimony

He served as Lithuanian vice-chancellor and later Castellan of Vilnius. The house combined its estates with royal service and marriage alliances.

References: Museo Nacional de Cracovia · Kazimierz Czartoryski · Polski Słownik Biograficzny · August Aleksander Czartoryski · Polski Słownik Biograficzny · Michał Fryderyk Czartoryski

A political generation

Michał Fryderyk and August Aleksander expanded the family’s position. His daughter Konstancja married Stanisław Poniatowski and was the mother of the future King Stanislaus Augustus.

References: Museo Nacional de Cracovia · Kazimierz Czartoryski · Polski Słownik Biograficzny · August Aleksander Czartoryski · Polski Słownik Biograficzny · Michał Fryderyk Czartoryski

This complete profile is available in English. Bibliographic titles retain their original language. Links marked ES open the Spanish edition.

Historical profile

Key details

Birth: 1674 Documented

Death: 1741 Documented

Role: Prince / Castellan

Other recorded names: Kazimierz Czartoryski · Casimiro Czartoryski

Dynasty: Czartoryski

Territories: Poland (ES) · Lithuania (ES)

Family network

Recorded relationships

Children
Documentation

Sources for this profile

Biographical and contextual references in their original language. Sources and methodology.

Evidence for this profile

2 recorded claims · 0 without a claim-specific source. Context references do not by themselves verify every fact.

Dates (2/2 with a precise source)
Biographical and contextual references (3)
Editorial history
  • 2026-10-12 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
  • 2026-10-08 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
  • 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
  • 2026-10-04 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
  • 2026-10-03 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.
  • 2026-09-30 · The duchy is limited to Dijon and Autun; each other fief now enters the map only under its dated ruler. John III of Namur and the Nevers/Rethel branch were added. The previous shape combined later counties and unrelated lands as if all belonged to the duchy from 1363.
  • 2026-09-28 · Claim registry added; existing historical data kept. Specific sourcing remains to be reviewed.

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