Complex sentence: Charles Nisbet was the son of William Nisbet and Alison Hepburn; his father was a schoolteacher at Long Yester near Haddington, East Lothian, Scotland.
Split into simpler sentences: Charles Nisbet was the son of William Nisbet and Alison Hepburn. William was a schoolteacher at Long Yester near Haddington, East Lothian, Scotland.