Who married Isabelle Gräfin von Seefried auf Buttenheim?

Martin Graf Hoyes married Isabelle Gräfin von Seefried auf Buttenheim on June 28, 1971. Isabelle Gräfin von Seefried auf Buttenheim was 21 years old on the wedding day (21 years, 7 months and 15 days). Martin Graf Hoyes was 23 years old on the wedding day (23 years, 8 months and 1 days). The age gap was 2 years, 0 months and 17 days.