Princess Sophie of Saxe-Hildburghausen, was a Princess of Saxe-Hildburghausen by birth, and by marriage she became the Hereditary Princess of Saxe-Coburg-Saalfeld. Wikipedia
Born: February 22, 1760, Hildburghausen, Germany
Died: October 28, 1776 (age 16 years), Coburg, Germany
Spouse: Francis, Duke of Saxe-Coburg-Saalfeld (m. 1776–1776)