Weilnau [de] was carved out of Diez to establish a separate branch, based at Altweilnau Castle [de]. Over time, the remaining County of Diez gradually lost territories
Selters (both in Limburg-Weilburg). The community has 13 centres named Altweilnau, Cratzenbach, Emmershausen, Finsternthal, Gemünden, Hasselbach [de], Mauloff
district of Driedorf and parts of Diez, Hadamar, Ems, Löhnberg, Camberg, Altweilnau [de] and Wehrheim. The last seven possessions were jointly owned with
reorganize the Saarbrücken Archives and the painter Henrich Dors from Altweilnau to design tomb for the Nassau family, resulting in a major "epitaph book"