I, Duke Of Poland Mieczislaw 
I, Duke Of Poland was born about 0922 in Poznan, Poland.1 He died in 0992.1
I, Duke Of Poland and Thyra were married in a religious ceremony.1 They had a son named The Brave, King Of Poland.
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Children
The Brave, King Of Poland Boleslaw
The Brave, King Of Poland was born about 0967 in Poznan, Poland.1 He died on July 17th, 1025.1
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