Otto III, Count of Weimar-Orlamünde
Otto III. Weimar-Orlamünde, sometimes called Otto IV was a German nobleman. He was a member of the House of Ascania and a titular Count of Weimar-Orlamünde. He was the ruling Count of Weimar and Lord of Rudolstadt and Plassenburg.Life
He was the son of Count Herman II and his wife, Beatrix of Andechs-Merania. In 1248, Otto III and his elder brother Herman III inherited the Franconian possessions of their maternal uncle Otto II. They divided their possessions, with Otto receiving Weimar, Rudolstadt and Plassenburg and Herman receiving Orlamünde.
On 29 December 1279, Otto III founded Himmelskron Abbey. He died in June 1285, and was buried in the collegiate church of the abbey.Marriage and issue
Otto III was married to Agnes of Truhendingen. Together, they had the following children:
