Alexander was born as Alexander Alexandrovich on March 10, 1845 at Winter Palace, Saint Petersburg to Alexander II and Marie of Hesse. In 1866, he married Princess Dagmar of Denmark. They had six children together named Nicholas, Alexander, George, Xenia, Michael, and Olga.
In 1881, Alexander became the emperor after the assassination of his father. He was emperor of thirteen years until his death in 1894. After his death, his eldest son Nicholas II, became the last Russian emperor.