Complex sentence: Heysen was born in Hahndorf, South Australia as the fourth child of landscape painter Sir Hans Heysen and was raised at "The Cedars" in Hahndorf in the Adelaide Hills.
Split into simpler sentences: Heysen was born in Hahndorf, South Australia, the fourth child of landscape painter Sir Hans Heysen. She was raised at "The Cedars" in Hahndorf in the Adelaide Hills.