Complex sentence: Adelbert von Chamisso (January 30,1781-August 21,1838), German poet and botanist, was born at the château of Boncourt in Champagne, France, the ancestral seat of his family.
Split into simpler sentences: Adelbert von Chamisso (January 30,1781-August 21,1838), was a German poet and botanist. He was born at the château of Boncourt in Champagne, France, the ancestral seat of his family.