Who married Ivan Baryatinsky?

Princess Catherine of Schleswig-Holstein-Sonderburg-Beck married Ivan Baryatinsky on January 9, 1767. Ivan Baryatinsky was 28 years old on the wedding day (28 years, 10 months and 13 days). Princess Catherine of Schleswig-Holstein-Sonderburg-Beck was 16 years old on the wedding day (16 years, 10 months and 17 days). The age gap was 11 years, 11 months and 27 days.