Complex sentence: The building was constructed in 1916 largely through donations from the descendants of Jehoiada and Daniel Jeffery who had originally founded the church congregation in 1826 as the White River Cumberland Presbyterian Church.
Split into simpler sentences: The building was constructed in 1916 largely through donations from the descendants of Jehoiada and Daniel Jeffery. They had founded the church congregation in 1826 as the White River Cumberland Presbyterian Church.