Prince Sixtus Henry of Bourbon-Parma was born on March 18, 1886, in Austria. He belonged to the House of Bourbon-Parma, a branch of the Bourbon family, which has historical ties to the French and Spanish royal families. Sixtus Henry was known for his involvement in European politics and his efforts to promote peace during World War I. He served in the Austro-Hungarian Army and later became a prominent figure in the Austrian nobility. Sixtus Henry was also a supporter of the Habsburg monarchy and worked towards the restoration of the monarchy in Austria after the war. He passed away on March 4, 1934.