Background
He was the youngest son of Frederick II, Duke of Saxe-Gotha-Altenburg and Magdalene Augusta of Anhalt-Zerbst.
He was the youngest son of Frederick II, Duke of Saxe-Gotha-Altenburg and Magdalene Augusta of Anhalt-Zerbst.
Since 1735 the prince was educated in Geneva and joined the Danish military service in 1739.
In 1743 he moved to the Saxon army to became holder of a regiment the following year. During The Seven Years" War he was captured be the Prussian Army and had to swear not to fight the Prussians further before being released. He retired in Friedrichstanneck near Eisenberg where he built Friedrichstanneck house in 1756.
Since 1789 be became the senior of the House of Wettin.
He is buried in Eisenberg.