Count Jan Sebastian Szembek''’ (1672-1731) was a Polish

szlachcic The ''szlachta'' (Polish: endonym, Lithuanian: šlėkta) were the noble estate of the realm in the Kingdom of Poland, the Grand Duchy of Lithuania, and the Polish–Lithuanian Commonwealth who, as a class, had the dominating position in th ...

. Recorder of the Crown since 1699,

Vice-Chancellor of the Crown Chancellor of Poland ( pl, Kanclerz - , from la, cancellarius) was one of the highest officials in the historic Poland. This office functioned from the early Polish kingdom of the 12th century until the end of the Polish–Lithuanian Commonwea ...

in 1703–1711,

Grand Chancellor of the Crown Chancellor of Poland ( pl, Kanclerz - , from la, cancellarius) was one of the highest officials in the historic Poland. This office functioned from the early Polish kingdom of the 12th century until the end of the Polish–Lithuanian Commonwea ...

since 1712. Starost of

Łomża Łomża (), in English known as Lomza, is a city in north-eastern Poland, approximately 150 kilometers (90 miles) to the north-east of Warsaw and west of Białystok. It is situated alongside the Narew river as part of the Podlaskie Voivodeship si ...

Marshal Marshal is a term used in several official titles in various branches of society. As marshals became trusted members of the courts of Medieval Europe, the title grew in reputation. During the last few centuries, it has been used for elevated o ...

of the Sejm (') on December 22, 1701 - February 6, 1702.

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