Complex sentence: Mary Darwall (née Whateley, 1738--5 December 1825), who sometimes wrote as Harriett Airey, was an English poet and playwright and a member of the Shenstone Circle of writers that gathered around William Shenstone in the English Midlands.
Split into simpler sentences: Mary Darwall (née Whateley, 1738--5 December 1825), who sometimes wrote as Harriett Airey, was an English poet and playwright. She was a member of the Shenstone Circle of writers that gathered around William Shenstone in the English Midlands.