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Male OTTO I HERZOG von BRAUNSCHWEIG-LUNEBURG Click to view OTTO I HERZOG von BRAUNSCHWEIG-LUNEBURG in the family tree

OTTO I HERZOG was born in 1204.1   OTTO I HERZOG's father was WILHELM HERZOG von BRAUNSCHWEIG-LUNEBURG and his mother was HELENA VALDEMARSDOTTIR de DENMARK.  His paternal grandparents were HEINRICH XII HERZOG von BAVARIA and MATILDA de ENGLAND; his maternal grandparents were VALDEMAR I KNUDSSON KING de DENMARK and SOPHIA WOLODOROVNA de MINSK.  He was an only child.  He died at the age of 48 in June 1252.1 


OTTO I HERZOG's family with MATHILDA von BRANDENBURG

They had four sons and six daughters, named ALBRECHT I HERZOG, Johann I Duke, Konrad, Otto, AGNES, Adelheid, Elizabeth, Helen, Margarethe and Matilde.

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