Sieciech (mid 11th century AD – early 12th century AD) was a medieval Polish magnate and statesman.
Biography

All information about Sieciech has come down from the chronicler
Gallus Anonymus
''Gallus Anonymus'' ( Polonized variant: ''Gall '') is the name traditionally given to the anonymous author of '' Gesta principum Polonorum'' (Deeds of the Princes of the Poles), composed in Latin between 1112 and 1118.
''Gallus'' is generally reg ...
. He was a
count palatine
A count palatine ( Latin ''comes palatinus''), also count of the palace or palsgrave (from German ''Pfalzgraf''), was originally an official attached to a royal or imperial palace or household and later a nobleman of a rank above that of an o ...
at the court of duke
Władysław I Herman of
Poland
Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...
. Though the exact dates of his birth and death are unknown, he is said by
Gallus Anonymus
''Gallus Anonymus'' ( Polonized variant: ''Gall '') is the name traditionally given to the anonymous author of '' Gesta principum Polonorum'' (Deeds of the Princes of the Poles), composed in Latin between 1112 and 1118.
''Gallus'' is generally reg ...
to have lived in the second half of the 11th century. During his time as count, Sieciech was the ''de facto'' ruler of
Poland
Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...
. He wielded such extensive authority throughout the realm that he even minted his own coins. According to Gallus Anonymus, Sieciech ruled heavy-handedly.
His alleged despotic conduct resulted in a number of nobles (especially those from
Silesia
Silesia (, also , ) is a historical region of Central Europe that lies mostly within Poland, with small parts in the Czech Republic and Germany. Its area is approximately , and the population is estimated at around 8,000,000. Silesia is spli ...
) being forced to leave the country. Sieciech is credited with ordering the poisoning of
Boleslaw II's son, Mieszko. He is also thought to have attempted to rid himself of the two sons of
Władysław I Herman in attempt to gain the throne. Sieciech is known to have founded the Romanesque Saint Andrews church in
Kraków
Kraków (), or Cracow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city dates back to the seventh century. Kraków was the official capital of Poland until 159 ...
.
Sieciech made a large number of enemies among the Polish nobility. The disgruntled nobles sought to limit his influence by proposing that the country should be divided between
Władysław I Herman and his sons
Zbigniew and
Boleslaw III Wrymouth. His influence began to wane when the sons of
Władysław I Herman demanded to be granted their own districts. They also demanded that Sieciech be removed from positions of influence.
Their wishes were granted when in 1100 Sieciech was stripped of his land and titles by
Wladyslaw I Herman and banished from the country. According to
Gallus Anonymus
''Gallus Anonymus'' ( Polonized variant: ''Gall '') is the name traditionally given to the anonymous author of '' Gesta principum Polonorum'' (Deeds of the Princes of the Poles), composed in Latin between 1112 and 1118.
''Gallus'' is generally reg ...
Sieciech managed to return to Poland before his death.
[Antoni Czubinski, Jerzy Topolski - "History of Poland" Ossolineum (1988)]
The town of
Sieciechów (''
Castrum Sethei''), judging by Gallus, was named after Sieciech (''Setheus'').
References
{{Reflist
11th-century births
12th-century deaths
Polish politicians