Mestwin I, Duke of EASTERN POMERANIA
He married Zwinislawa Princess of Great Poland Abt 1181 . Zwinislawa Princess of Great Poland was born at of Poznan, Poznan, Poland Abt 1166 daughter of Mieszko III "the Old" Prince of Great Poland and Evdokiya Izyaslavna Princess of Kiev .
They were the parents of 7
children:
Miroslawa, Princess of Eastern Pomerania
born Abt 1181.
Ratibor, Duke of Eastern Pomerania
born Abt 1183.
Witoslawa, Princess of Eastern Pomerania
born Abt 1186.
Wartislaw I, Duke of Eastern Pomerania
born Abt 1190.
Jadwiga Princess of Eastern Pomerania
born Abt 1196.
Swatopolk I, Duke of Eastern Pomerania
born Abt 1200.
Sambor II, Duke of Eastern Pomerania-Lübschau
born 1204.
Mestwin I, Duke of Eastern Pomerania died 1/ 2 May 1220 at Kloster Oliva, Westpreussen, Prussia .
Zwinislawa Princess of Great Poland died 4 Sep 1240 .