Complex sentence: Henry Venn (1725 in Barnes, Surrey, England-1797), was an English evangelical minister and one of the founders of the Clapham Sect, a small but highly influential evangelical group within the Anglican Church.
Split into simpler sentences: Henry Venn (1725 in Barnes, Surrey, England-1797), was an English evangelical minister. He was one of the founders of the Clapham Sect, a small but highly influential evangelical group within the Anglican Church.