William Ernest was the last grand duke of Saxe-Weimar-Eisenach.
William Ernest in 1906
Princess Caroline Elizabeth Ida Reuss of Greiz was the first wife of Wilhelm Ernst, Grand Duke of Saxe-Weimar-Eisenach.
William Ernest, Grand Duke of Saxe-Weimar-Eisenach
…He died in Heinrichau in Silesia. In Bückeburg on 30 April 1903, Wilhelm Ernst married first to Princess Caroline Reuss of Greiz, daughter of Prince Heinrich XXII Reuss of Greiz. This marriage was childless and ended in 1905 with the death of Caroline under mysterious circumstances…
1904 photograph
Caroline Reuss of Greiz in an official court dress
Grand Duchess Caroline's remains lying in state, 1905.