Cadet branch of the House of Nassau-Weilburg
- Coat of Arms
House of Nassau-Usingen
Lords of Usingen, Saarbrücken and Saarwerden
Counts and Princes of Nassau-Usingen
- Cadet Branches
House of Nassau-Saarbrücken
Lords of Saarwerden, Herdesheim und Homburg
Counts and Princes of Nassau-Saarbrücken
Issued from Wilhelm Heinrich, 5th son of Wilhelm Heinrich, Prince of Nassau-Usingen
3rd branch of Saarbrücken
House of Nassau-Dillingen
Lords of Dillingen
Imperial Counts of Ottweiler
and Weilnau
Dukes of Dillange (Dillingen)
Issued from 2nd (morganatic) marriage of Ludwig, Prince of Nassau-Saarbrücken
Legitimated in 1787
- Personal Arms
Friedrich August
Prince of Nassau-Usingen
1803-1806
1st Duke of Nassau
1806-1816
Last male scion of
Usingen branch
Adolph Louis of Nassau-Dilligen
Count of Ottweiler and Weilnau
Duke of Dillange
Prince of Nassau-Saarbrücken
Youngest son of Ludwig, Prince of Nassau-Saarbrücken from his 2nd marriage