Complex sentence: Mark Edward Brennan (born February 6,1947) is an American priest of the Catholic Church and will serve as auxiliary bishop for the Archdiocese of Baltimore in 2017.
Split into simpler sentences: Mark Edward Brennan (born February 6,1947) is an American priest of the Catholic Church. He was appointed to serve as auxiliary bishop for the Archdiocese of Baltimore, beginning in 2017.