Though mentally handicapped, he was also the second of only four of their ten children to survive to adulthood and on the death of his elder brother John in 1537 he succeeded him as hereditary prince of the Duchy of Saxony.
Though mentally handicapped, he was also the second of only four of their ten children to survive to adulthood and on the death of his elder brother John in 1537. He succeeded him John as hereditary prince of the Duchy of Saxony.