https://www.geni.com/people/Świętosława-Piast/4645001
Świętosława «Gunhilda» Piast (Mieszkówna) MP
Polish: Świętosława Mieszkówna Piast (Mieszkówna)
Gender: Female
Birth: circa 970 Poznań, Greater Poland, Poland
Death: circa 1015 (37-53) Gainsborough, Lincolnshire, England
Place of Burial: England, later removed to Roskilde
Immediate Family:
Daughter of książę Mieszko I, Duke of Poland and Doubravka of Bohemia
Wife of Eric the Victorious, king of Sweden and Sweyn I "Forkbeard", king of Denmark, Norway & England
Mother of Emund Munsöätten; Gunnhild Svendsdatter; Gunhild Svendsdatter; Harald II, king of Denmark; Gyda Sveinsdotter, av Danmark; Thyra Sveinsdotter and Santslaue Svendsdatter Sveynsdottir « less
Sister of King Bolesław, I, the Brave
Half sister of NN; Mieszko Mieszkowic; Świętopełk Mieszkowic and Lambert Mieszkowic