Complex sentence: Her Imperial Highness Empress Teimei was born Princess Sadako Kujo (jp: 九条節子 "kujō sadako") (June 25,1884-May 17,1951) was the consort of the Taishō Emperor and the mother of Emperor Hirohito.
Split into simpler sentences: Her Imperial Highness Empress Teimei of Japan was born Princess Sadako Kujo (jp: 九条節子 "kujō sadako"), (June 25,1884-May 17,1951). She was the consort of the Taishō Emperor and the mother of Emperor Hirohito.