Complex sentence: She was born in Kuala Lumpur, British Malaya (now Malaysia), and attended school in Wallingford, Oxfordshire, later returning to Malaya to teach.
Split into simpler sentences: She was born in Kuala Lumpur, British Malaya (now Kuala Lumpur, Malaysia). She attended school in Wallingford, Oxfordshire, and later returned to Malaya to teach.