MIESZKO I, Prince of Poland UNKNOWN & Princess of Bohemia, DUBRAVKA UNKNOWN 
They had a daughter named Princess of Poland.
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Personal Details
MIESZKO I, Prince of Poland UNKNOWN
MIESZKO I, Prince of Poland was born about 0922 in Poznan, Poland.
Princess of Bohemia, DUBRAVKA UNKNOWN
Princess of Bohemia, DUBRAVKA was born about 0931 in Praha, Czechoslovakia. She died in 0977.