'Świętopełk II of Pomerania' (''Swantopolk II the Great'' or ''Świętopełk II Wielki'',
1190/
1200 –
January 11,
1266) was
prince of the
Gdańsk district and, from
1227,
duke of Eastern
Pomerania in the years from
1215 until his death.
Statue of Świętopełk II the Great in a park in
Oliwa.
Biography
He was the son of
Mestwin I.
In 1216 (or 1217) he received Eastern Pomerania from
Leszek the White of
Kraków: Świętopełk, in exchange, declared himself his vassal, but secretly planned to free himself from
Polish suzerainty. He found an ally in the person of
Ladislas Odonic, who had been driven from Poland by
Władysław III Spindleshanks. Świętopełk promised Ladislas the throne of
Kraków and
Silesia in exchange for his support in the ousting of Leszek and
Henry I the Bearded of
Lower Silesia. On
November 23,
1227, on the occasion of an assembly of
Piast dukes in
Gąsawa, Leszek was killed in an ambush set by Świętopełk and Ladislas, while Henry was severely wounded. In that year Świętopełk assumed the title of duke of Pomerania.
In 1238 he conquered the duchy of
Sławno, whose territories connected Pomerania to Gdańsk. He also formed an alliance with the
Prussians against the
Teutonic Knights. In 1252 the latter and Świętopełk signed a peace treaty with the mediation of the
papal legate.
In 1266 he united all the districts and became sole ruler of united
Eastern Pomerania.
His sons
Mestwin II and
Warcisław II inherited his lands.
Family
Marriages
★ 1217/1218
Eufrozyna, daughter of
Odon, duke of
Greater Poland
★ before 1252 (?)
Ermenegarda of
Mecklenburg
Children
★
Mestwin II, duke of
Świecie and later
Gdańsk
★
Warcisław II, duke of
Gdańsk
★ Eufemia, married to
Jaromir II, duke of
Rugia
★ Zwinisława, married to Dobiesław, son of Sad, lord of Tega and Otorów near
Wyszogród
★ John
★ unknown daughter, married to count von
Kevenberg
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