Complex sentence: The inner arches of the tower carried a spire of graceful proportions, Then the north aisle was added in 1864, and at the same time the two stone coffins (now in the churchyard by the yew tree) were removed.
Split into simpler sentences: The inner arches of the tower carried a spire of graceful proportions. The north aisle was added in 1864, and at the same time the two stone coffins (now in the churchyard by the yew tree) were removed.