Who married Helene Baronin von Plessen?

Emanuel Graf von Sternberg married Helene Baronin von Plessen on September 27, 1957. Helene Baronin von Plessen was 24 years old on the wedding day (24 years, 7 months and 19 days). Emanuel Graf von Sternberg was 30 years old on the wedding day (30 years, 7 months and 16 days). The age gap was 5 years, 11 months and 28 days.