Herr zu Mecklenburg
Bad Doberan, Landkreis Rostock
Germany
Bad Doberan Minster
Johann I. (* 1. January 1211; † 1. August 1264) was a herr zu Mecklenburg. He was 53 years old. He was married to Luitgarde von Henneberg. He had at least 4 children (3 sons and 1 daughter). He was buried at Bad Doberan Minster.