about 1183–6 June 1272 (Age 89)
Gdańsk, Pomerania, Poland
When Duke of Eastern Pomerania Racibor (Ratibor) Sobiesławowic was born about 1183, in Gdańsk, Pomerania, Poland, his father, Duke of Pomerania Mestwin (Mszczuj Mściwoj "Gdanski“ Sobiesławowic I, was 23 and his mother, Princess of Great Poland Swinisława (Zwinislawa), was 22. He died on 6 June 1272, at the age of 89.
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