Frances Folsom Cleveland Preston

Frances Clara Folsom Cleveland Preston was married to the President of the United States Grover Cleveland and was the First Lady of the United States from 1886 to 1889 and again from 1893 to 1897. Becoming First Lady at age 21, she remains the youngest wife of a sitting president.

Frances Clara Folsom was born in Buffalo, New York, as the daughter of Oscar Folsom, who was a lawyer and descendant of the earliest settlers of Exeter, New Hampshire, and Emma Harmon.

Source: Wikipedia