Prince Henry of Prussia was born on March 14, 1862, as the younger brother of Kaiser Wilhelm II. 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 Germany's maritime strength during his lifetime. Henry was also involved in various charitable activities and was known for his support of the arts. He married Princess Irene of Hesse, and they had three children. His legacy includes contributions to both military and social causes in Germany during the late 19th and early 20th centuries.