Complex sentence: On 3 June 1816, Pius VII condemned the Melkite Bishop Germanos Adam's works, which supported Conciliarism, placing the authority of Ecumenical Councils over that of the papacy.
Split into simpler sentences: On 3 June 1816, Pius VII condemned the works of Melkite Bishop Germanos Adam. His writings supported Conciliarism, which placed the authority of Ecumenical Councils over that of the papacy.