Thethmar also known as Theodemar was a Premonstratensian canon and missionary. A contempary and friend of St. Vicelinus, he worked to convert the Wends, a tribe in modern Germany.
Thethmar also known as Theodemar was a Premonstratensian canon and missionary. A contempary and friend of St. Vicelinus, he worked to convert the Wends, a tribe in modern Germany.