Heinrich XVIII Prinz Reuss zu Köstritz German prince and cavalry general (1847-1911) (1847–1911) Parents Heinrich II., Reuss zu Köstritz Clothilde Charlotte Sophie zu Castell-Castell Children Prince Heinrich XLII. Reuss zu Köstritz Prince Heinrich XXXVII Reuss zu Köstritz Prince Heinrich XXXVIII Reuss zu Köstritz Siblings Heinrich XX. Reuß zu Köstritz Heinrich XIX Prinz Reuss zu Köstritz Partners Duchess Charlotte of Mecklenburg-Schwerin
