Who married Augusta Leopoldine Gräfin von Manderscheid-Blankenheim?

Christian von Sternberg married Augusta Leopoldine Gräfin von Manderscheid-Blankenheim on November 7, 1762. Augusta Leopoldine Gräfin von Manderscheid-Blankenheim was 18 years old on the wedding day (18 years, 9 months and 10 days). Christian von Sternberg was 30 years old on the wedding day (30 years, 8 months and 2 days). The age gap was 11 years, 10 months and 23 days.