Elisabeth Sophie of Saxe-Altenburg, was a princess of Saxe-Altenburg and, by marriage, duchess of Saxe-Gotha.
She was born in Halle, the only daughter of Johann Philipp, Duke of Saxe-Altenburg, and his wife, Elisabeth of Brunswick-Wolfenbüttel. Wikipedia
Born: October 10, 1619, Halle (Saale), Germany
Died: December 20, 1680 (age 61 years), Gotha, Germany
Great-grandparents: Frederick II of Denmark, Sophie of Mecklenburg-Güstrow, Hedwig of Brandenburg, Duchess of Brunswick-Wolfenbüttel, and more