Frederick III, the Strict, Landgrave of Thuringia and Margrave of Meissen, was the son of Frederick II, Margrave of Meissen and Mathilde of Bavaria.
He took over the government for his brothers William, Balthasar and Ludwig after the death of... Wikipedia
Born: 1332, Dresden, Germany
Died: May 21, 1381 (age 49 years), Altenburg, Germany
Grandparents: Frederick I, Margrave of Meissen, Louis IV, Holy Roman Emperor, Elisabeth of Lobdeburg-Arnshaugk, and more
Spouse: Catherine of Henneberg (m. 1347–1381)