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Male Guy IV de Thiern Click to view Guy IV de Thiern in the family tree

Guy IV was born about 1095.  Guy IV's father was Guy III de Thiern.  His paternal grandparents were Geoffroy II de Semur-en-Broinnais sge de Donze, cte de Chalon and Mathilde (Mahaut) de Chalon de Vergy dame de Donzy. He had a brother and a sister, named Guillaume I and Isabelle.  Guy IV is no longer alive.


Guy IV's family


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