He was a son of Johann Cornies (born in Mühlhausen, East Prussia) and Aganetha Cornies. He had 3 brothers; Peter Cornies (1791-1840s), David Cornies (1794-1850s), and Heinrich Cornies (1806-?).
He was the son of Johann Cornies, born in Mühlhausen, East Prussia, and Aganetha Cornies. He had three brothers: Peter Cornies (1791-1840s), David Cornies (1794-1850s), and Heinrich Cornies (1806-?).