Complex sentence: Blunt was born in Wandsworth, London, the second of four children of Joanna (Joanna Mackie), a former actress and teacher, and barrister Oliver Simon Peter Blunt, QC.
Split into simpler sentences: Blunt was born in Wandsworth, London, the second of four children. Her mother was Joanna Mackie and her father was barrister Oliver Simon Peter Blunt, QC.