Jan Kazimierz Umiastowski
| Jan Kazimierz Umiastowski | |
|---|---|
|
Jan Kazimierz Umiastowski | |
| Coat of arms | Roch III |
| Consort | Halszka princess Ogiński |
| Noble family | Umiastowski |
| Father | Jan comes von Nandelstädt Umiastowski |
| Died | 1659 |
Jan Kazimierz Umiastowski (died 1659) was a Polish szlachcic from family - comites Pierzchała-Umiastowski.
He was District Writer of Brześć since 1648, District Judge and Podkomorzy (Chamberlain) of Brześć; since 1654.
Marshal of the Sejm (nadzwyczajnego) on May 19, - June 20, 1655 in Warsaw.