Prince Henry of Prussia was born on August 14, 1862, as the younger brother of Kaiser Wilhelm II, the last German Emperor. He served in the German Navy and held the rank of Admiral. Known for his interest in naval affairs, he played a significant role in promoting the expansion of the German fleet during his lifetime. Prince Henry was also involved in various diplomatic missions and represented Germany at international events. He married Princess Irene of Hesse, and they had three children. His legacy includes contributions to both military and diplomatic efforts in early 20th-century Europe.