He was a younger brother of Frederik Christian II, Duke of Augustenborg, brother-in-law of Princess Louise Auguste of Denmark and an uncle of Caroline Amalie of Augustenburg, Queen consort of Denmark and Christian August, Duke of Augustenborg.
He was a junior brother of Frederik Christian II, Duke of Augustenborg, connected by marriage to Princess Louise Auguste of Denmark, and an elder relative of Caroline Amalie of Augustenburg, Queen consort of Denmark and Christian August, Duke of Augustenborg.