Otto I, Count of Schwerin

Otto I of Schwerin was a son of Count Gunzelin VI and Richardis of Tecklenburg. In 1327, he succeeded his father as Count of Schwerin.
Otto was married to Princess Mathilda of Werle, a daughter of John III of Werle. They had a daughter:

Richardis. She married Albert III of Mecklenburg-Schwerin, who was also king of Sweden.

Otto I died in 1357. He had no male heir and was succeeded by his brother Nicholas I.