Rudolph Augustus, a member of the House of Welf, was Duke of Brunswick-Lüneburg and ruled as Prince of Brunswick-Wolfenbüttel from 1666 until his death. In 1685 he made his younger brother Anthony Ulrich co-ruler. Wikipedia
Born: May 16, 1627, Hitzacker, Germany
Died: January 26, 1704 (age 76 years), Hedwigsburg, Denkte, Germany
Great-grandparents: Henry Julius, Duke of Brunswick-Lüneburg, Ernest I, Duke of Brunswick, Joachim Ernest, Prince of Anhalt, and more
Spouse: Rosine Elisabeth Menthe (m. 1681–1701) and Countess Christiane Elisabeth of Barby (m. 1650–1681)