Eleonore of Bentheim and Steinfurt (1754-1827) (1754–1827) Parents Charles Paul Ernest, Count of Bentheim-Steinfurt Charlotte Sophie Louise of Nassau-Siegen Children Ernst Casimir I, Prince of Prince of Ysenburg and Büdingen Siblings Caroline of Bentheim and Steinfurt Louis, 1st Prince of Bentheim and Steinfurt Partners Ernst Casimir Graf zu Ysenburg und Büdingen in Büdingen