Complex sentence: Meade normally officiated every other Sunday at the Old Chapel near his family's plantations; and on the alternate Sundays, his father in law served as the parish's lay leader while Rev. Meade visited other congregations nearby or more remotely.
Split into simpler sentences: Meade normally officiated every other Sunday at the Old Chapel near his family's plantations. On the alternate Sundays, his father in law served as the parish's lay leader, while Rev. Meade visited other congregations nearby or more remotely.