Complex sentence: Unilike an Archbishop, the Presiding Bishop does not have responsibility for a diocese or province, however, in the earlier days of the Episcopal Church, the Presiding Bishop was simply the senior diocesan bishop.
Split into simpler sentences: Unilike an Archbishop, the Presiding Bishop does not have responsibility for a diocese or province. However, in the earlier days of the Episcopal Church, the Presiding Bishop was simply the senior diocesan bishop.