August of Saxe-Weissenfels, was a member of the Albertine branch of the House of Wettin.
Background
He is sometimes called August the Younger, to distinguish him from his father. August was the second son of the Duke Augustus of Saxe-Weissenfels and his first wife Anna Maria, the daughter of Duke Adolf Frederick I of Mecklenburg-Schwerin.
Career
He was a titular Duke of Saxe-Weissenfels and a Provost of Magdeburg. In 1659, Prince August joined the Fruitbearing Society, which was led by his father. He used the nickname der Behutsame ("the Cautious").
When he was ten years old, he was elected, at the instigation of his father, who was also Archbishop of Magdeburg, as provost of the archdiocese of Magdeburg, by the cathedral chapter.
August died on 11 August 1674, at the age of 23. He was buried in the ducal crypt in the church of Neu-Augustenburg Castle.