Princess Marie-Thérèse of Orléans was born on July 28, 1849, in Paris, France. She was a member of the House of Orléans, a royal family that played a significant role in French history. Marie-Thérèse was the daughter of Prince Philippe, Duke of Orléans and Princess Maria Isabel of Orléans. In 1871, she married Prince Henri of Orléans, further strengthening the ties within European nobility. Throughout her life, she was involved in various charitable activities and supported the arts. Marie-Thérèse passed away on March 4, 1919, leaving a legacy connected to her family's historical significance.