Bredt was born in
Barmen, on 2 March 1879, the only son of Viktor Richard Bredt (1849–1881), an industrialist, and his wife, Henriette (
née Koll). He worked at the
Barmer Bankverein in 1897/8 before studying jurisprudence and economics at Tübingen, Göttingen and Bonn. In 1901, he was awarded a doctorate (Dr. jur.) and in 1904 a Dr. phil.. In 1909, he
became a professor at Marburg. Bredt worked in the civil service in 1903-09 and in 1910 was appointed to a professorship for jurisprudence at Marburg university. Johann married twice: in 1902 Ada Bredt (divorced in 1912) at Barmen and in 1931 Olga Bredt (at Marburg). ==Political career==