Svend Tveskaeg of Denmark & Swietoslava Sygryda Gunhild Poland 
They had a daughter named Estrid , Princess of Denmark.
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Personal Details
Svend Tveskaeg of Denmark
Svend Tveskaeg of was born about 0965 in DENMARK. He died in Gainsborough,Lincolnshire,ENGLAND bur Hellig Trefoldig,Roskilde, DENMARK.
Swietoslava Sygryda Gunhild Poland
Swietoslava Sygryda Gunhild was born about 0970 in Poznan,Poznan,POLAND.
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Children
Estrid , Princess of Denmark Svendsdatter
Estrid , Princess of Denmark was born about 0967 in DENMARK.