Complex sentence: Elspeth Buchan (1738-1791), founder of a Scottish religious sect known as the Buchanites, was the daughter of John Simpson, proprietor of an inn near Banif.
Split into simpler sentences: Elspeth Buchan (1738-1791) was the founder of a Scottish religious sect known as the Buchanites. She was the daughter of John Simpson, proprietor of an inn near Banif.