Complex sentence: J. Abdo Debbas was a Turk who was the American vice-consul at Tarsus and served in the United States Department of State until 1882.
Split into simpler sentences: J. Abdo Debbas was a Turk who was the American vice-consul at Tarsus. He was the American vice-consul at Tarsus and worked for the U.S. Department of State until 1882.