Heinrich Burwin I Von+ Mecklenburg & Mathilde+ Guelph 
They had a son named Heinrich Burwin II Von+.
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Personal Details
Heinrich Burwin I Von+ Mecklenburg
Heinrich Burwin I Von+ was born about 1150. He died on January 28th, 1228.
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Children
Heinrich Burwin II Von+ Mecklenburg
Heinrich Burwin II Von+ was born about 1170. He died on December 5th, 1226.