克里斯蒂安九世
Ernest Augustus (Ernest Augustus Christian George; ; 17 November 1887 – 30 January 1953) was the reigning Duke of Brunswick from 2 November 1913 to 8 November 1918. He was a grandson of George V of Hanover, whom the Prussians had deposed from the Hanoverian throne in 1866, and Christian IX of Denmark.