Complex sentence: Representatives of St. John the Baptist Greek Catholic Church in Munhall, Pennsylvania, a steel town suburb of Pittsburgh, presented to him a formal proposal offering land and financial assistance--if he would establish his residence and episcopal seat at the parish.
Split into simpler sentences: Representatives of St. John the Baptist Greek Catholic Church in Munhall, Pennsylvania, a steel town suburb of Pittsburgh, met with him. They presented a formal proposal offering land and financial assistance if he would establish his residence and episcopal seat at the parish.