The territory was owned and ruled by a branch of the House of Stolberg from 1341 until 1803, when the county became mediatised by the Electorate of Saxony.Stolberg-Rossla was mediatised to Saxony in 1803, but passed to the Kingdom of Prussia in 1815.Although the territory was subsequently administered within the Province of Saxony, the counts retained their possessions until 1945.1935) and his wife, Baroness Karin von Düring (b.You can help Wikipedia by expanding it.This German history article is a stub.