Who married Francis Venables-Vernon-Harcourt?

Lady Catherine Jenkinson married Francis Venables-Vernon-Harcourt on November 20, 1837. Francis Venables-Vernon-Harcourt was 36 years old on the wedding day (36 years, 10 months and 14 days). Lady Catherine Jenkinson was 26 years old on the wedding day (26 years, 3 months and 28 days). The age gap was 10 years, 6 months and 17 days.

The marriage ended in ?.