Mikołaj Hieronim Sieniawski

Mikołaj Hieronim Sieniawski
Noble Family	Sieniawski
Coat of Arms	Leliwa
Parents	Adam Hieronim Sieniawski Wiktoria Elżbieta Potocka
Consorts	Cecylia Maria Radziwiłł
Children	with Cecylia Maria Radziwiłł Adam Mikołaj Sieniawski Joanna Sieniawska Teofilia Sieniawska
Date of Birth	1645
Place of Birth	?
Date of Death	15 December 1683
Place of Death	?

Mikołaj Hieronim Sieniawski (1645–1683) was a Polish noble (szlachcic), military leader, politician.

Son of the starost of Lwów Adam Hieronim Sieniawski and Wiktoria Elżbieta Potocka, the daughter of Hetman Stanisław "Rewera" Potocki. He married in 1662 the daughter of Court and Grand Marshal Prince Aleksander Ludwik Radziwiłł, Princess Cecylia Maria Radziwiłł.

Leliwa Coat of Arms

He was Grand Guardian of the Crown since 1666, Great Chorąży of the Crown since 1668, Court Marshall of the Crown since 1676, starost of Lwów since 1679, voivode of Volhynian Voivodship since 1679, Field Crown Hetman since 1682 and starost of Radom, Rohatyn, and Piaseczno.

He became famous as a talented commander in wars against Cossacks and Tatars during the reign of King Jan II Kazimierz. In the rank of a Chorąży he companioned Jan Sobieski in the Chocim expedition.

He was Marshal of the Coronation Sejm on 2–14 March 1676 in Kraków.

Like his son Adam Mikołaj, he participated in the Vienna expedition of 1683.