Complex sentence: In 1870, Bishop Johns consecrated that church in honor of his mentor, Meade Memorial Church in Alexandria, and which was serviced by Rev. McKim and various VTS seminarians, and remains an active congregation.
Split into simpler sentences: In 1870, Bishop Johns consecrated that church in honor of his mentor, Meade Memorial Church in Alexandria. Initially, serviced by Rev. McKim and various VTS seminarians, it remains an active congregation.