Princess Caroline of Nassau-Usingen was born on December 1, 1770, in Nassau-Usingen, a small German principality. She was the daughter of Prince Wilhelm of Nassau-Usingen and Princess Caroline of Nassau-Saarbrücken. Caroline became known for her marriage to Prince Friedrich of Hohenlohe-Langenburg in 1791, which strengthened ties between their noble families. Throughout her life, Caroline was involved in various charitable activities and supported cultural initiatives. She passed away on March 24, 1820, leaving behind a legacy of dedication to her family and community. Her descendants continued to play significant roles in European nobility.