Complex sentence: At the age of sixteen, Valerie Preston-Dunlop began her training under Rudolf Laban and attended the School of Russian Ballet and Folkwanghochschule in Essen under Kurt Jooss and Albrecht Knust.
Split into simpler sentences: At the age of sixteen, Valerie Preston-Dunlop began her training under Rudolf Laban. She attended the School of Russian Ballet and Folkwanghochschule in Essen under Kurt Jooss and Albrecht Knust.