Complex sentence: Princess Anna Amalia of Prussia (9 November 1723--30 March 1787) was Princess-Abbess of Quedlinburg and a Prussian princess, one of ten surviving children of Friedrich Wilhelm I of Prussia and Sophia Dorothea of Hanover.
Split into simpler sentences: Princess Anna Amalia of Prussia (9 November 1723--30 March 1787) was Princess-Abbess of Quedlinburg. She was one of ten surviving children of King Frederick William I of Prussia and Sophia Dorothea of Hanover.