Stanisław Karnkowski from Junosza, was the Great Referendary

Referendary

Referendary is the English form or rendering of a number of administrative positions, of various rank, in chanceries and other official organisations.-Secular:...

 of the Crown

Crown of the Polish Kingdom

The Crown of the Kingdom of Poland , or simply the Crown , is the name for the unit of administrative division, the territories under direct administration of Polish nobility from middle-ages to late 18th century...

 (since 1558), the Great Secretary of the Crown (since 1563), bishop of Włocławek (since 1567), archbishop of Gniezno - Primate

Primate (religion)

Primate is a title or rank bestowed on some bishops in certain Christian churches. Depending on the particular tradition, it can denote either jurisdictional authority or ceremonial precedence ....

 of Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 (since 1581). Interrex

Interrex (Poland)

The institution of interrex existed in the Polish-Lithuanian Commonwealth, whose ruling classes liked to view their Republic or Commonwealth as an heir to Roman republican traditions...

 in 1586–1587, before the coronation of Sigismund III Vasa

Sigismund III Vasa

Sigismund III Vasa was King of Poland and Grand Duke of Lithuania, a monarch of the united Polish–Lithuanian Commonwealth from 1587 to 1632, and King of Sweden from 1592 until he was deposed in 1599...

.

Karnkowski chaired the sejm

Sejm

The Sejm is the lower house of the Polish parliament. The Sejm is made up of 460 deputies, or Poseł in Polish . It is elected by universal ballot and is presided over by a speaker called the Marshal of the Sejm ....

 commission which prepared so called "Karnkowski's Statutes" approved by sejm in 1570. He was the only bishop on the election sejm to vote for Stefan Batory

Stefan Batory

Stephen Báthory was a Hungarian noble Prince of Transylvania , then King of Poland and Grand Duke of Lithuania . He was a member of the Somlyó branch of the noble Hungarian Báthory family...

, who was suspected of being a secret Protestant. He opposed attempts of reforming the way of election made by Jan Zamoyski

Jan Zamoyski

Jan Zamoyski , was a Polish-Lithuanian nobleman, magnate, 1st duke/ordynat of Zamość. Royal Secretary since 1566, Lesser Kanclerz ) of the Crown since 1576, Lord Grand-Chancellor of the Crown since 1578, and Grand Hetman of the Crown since 1581...

 and proposals of raising up taxes for army.

Stanisław Karnkowski invited Jesuits to Kalisz

Kalisz

Kalisz is a city in central Poland with 106,857 inhabitants , the capital city of the Kalisz Region. Situated on the Prosna river in the southeastern part of the Greater Poland Voivodeship, the city forms a conurbation with the nearby towns of Ostrów Wielkopolski and Nowe Skalmierzyce...

 and Poznań

Poznan

Poznań is a city on the Warta river in west-central Poland, with a population of 556,022 in June 2009. It is among the oldest cities in Poland, and was one of the most important centres in the early Polish state, whose first rulers were buried at Poznań's cathedral. It is sometimes claimed to be...

 and founded the buildings that had to serve as centres of the struggle against Protestants in Greater Poland

Greater Poland

Greater Poland or Great Poland, often known by its Polish name Wielkopolska is a historical region of west-central Poland. Its chief city is Poznań.The boundaries of Greater Poland have varied somewhat throughout history...

. Due to these activity, strongly supported by the king Sigismund III Vasa

Sigismund III Vasa

Sigismund III Vasa was King of Poland and Grand Duke of Lithuania, a monarch of the united Polish–Lithuanian Commonwealth from 1587 to 1632, and King of Sweden from 1592 until he was deposed in 1599...

, the Jesuit complex was erected (1586–1597).

Stanisław Karnkowski is one of the personas on the famous painting by Jan Matejko

Jan Matejko

Jan Matejko was a Polish painter known for paintings of notable historical Polish political and military events. His most famous works include oil on canvas paintings like Battle of Grunwald, paintings of numerous other battles and court scenes, and a gallery of Polish kings...

: the sermons of Piotr Skarga

Piotr Skarga

Piotr Skarga was a Polish Jesuit, preacher, hagiographer, polemicist, and leading figure of the Counter-reformation in the Polish-Lithuanian Commonwealth. He was called the "Polish Bossuet" due to his oratorical abilities.He was born February 2, 1536 in Grójec, to a family of lesser landless gentry...

.