Who married Ernst Casimir I.?

Countess Ferdinande of Erbach-Schönberg married Ernst Casimir I. on May 10, 1804. Ernst Casimir I, Prince of Prince of Ysenburg and Büdingen was 23 years old on the wedding day (23 years, 3 months and 20 days). Countess Ferdinande of Erbach-Schönberg was 19 years old on the wedding day (19 years, 9 months and 17 days). The age gap was 3 years, 6 months and 3 days.