[1] He took over the government for his brothers William, Balthasar and Ludwig (Bishop of Bamberg) after the death of their father in 1349.

One year later the Emperor gave the Margraviate of Meissen to the four brothers jointly.

In 1368 common government began, afterwards the brothers changed rulership every two years.

Frederick was married to Catherine of Henneberg, heiress of Coburg, Neustadt, Sonneberg, Neuhaus, Rodach, etc.

(died Coburg 15 July 1397), daughter of Count Heinrich IV of Henneberg.