Family: Mieceslaus I Duke of Poland / Thyra Haroldsdottir (F40904)
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Male
Mieceslaus I Duke of Poland
Birth Abt 922 Poznan, Poland 
Death 25 May 992 Burial Marriage Other Spouse Dobravy of Bohemia | F40825 Marriage Father Ziemonislaw Duke of Poland | F47514 Group Sheet Mother Gorka | F47514 Group Sheet
Female
Thyra Haroldsdottir
Birth Death 18 Sep 1000 Burial Other Spouse Olaf Tryggvason King of Norway | F45326 Marriage Father Harald II Blue Tooth King of Denmark | F45327 Group Sheet Mother Gyrid Olafsson | F45327 Group Sheet
Male
Boleslaw I (The Brave) King of Poland
Birth Abt 967 Poznan, Poland Death 17 Jul 1025 Burial Spouse of Meissen | F45312 Marriage Spouse Judith of Hungary | F45311 Marriage 985 Spouse Emnilde | F45313 Marriage 987 Spouse Czicania | F45314 Marriage 3 Feb 1017-1018