Question: Hiro Saga, was a Japanese noblewoman, and was a distant relative of the Shōwa Emperor, who was the 124th Emperor of Japan according to the traditional order of succession, reigning from December 25, 1926, until his death?

Context paragraphs:
Hirohito: Hirohito (裕仁 , April 29, 1901 – January 7, 1989) was the 124th Emperor of Japan according to the traditional order of succession, reigning from December 25, 1926, until his death.  He was succeeded by his eldest son, Akihito.  In Japan, he is now referred to primarily by his posthumous name, Emperor Shōwa (昭和天皇 , Shōwa-tennō ) .  The word "Shōwa" is the name of the era that corresponded with the Emperor's reign, and was made the Emperor's own name upon his death.  The name Hirohito means "abundant benevolence".

Emperor Meiji: Emperor Meiji (明治天皇 , Meiji-tennō , November 3, 1852 – July 30, 1912) , or Meiji the Great (明治大帝 , Meiji-taitei ) , was the 122nd Emperor of Japan according to the traditional order of succession, reigning from February 3, 1867 until his death on July 30, 1912.  He presided over a time of rapid change in the Empire of Japan, as the nation quickly changed from an isolationist feudal state to a capitalist and imperial world power, characterized by the Japanese industrial revolution.

Hiro Saga: Hiro Saga (嵯峨 浩 , Saga Hiro , 16 April 1914 – 20 June 1987) was a Japanese noblewoman.  She was the daughter of Marquis Saneto Saga and a distant relative of the Shōwa Emperor.  She was married in 1937 to Pujie, the younger brother of Puyi, the Last Emperor of China from 1908–1912 and the puppet emperor of Manchukuo from 1934–1945.  After her marriage to Pujie, she was known as, and identified herself as, Aisin-Gioro Hiro (愛新覺羅•浩) or Aixin-Jueluo Hao in Chinese.

Shōwa period: The Shōwa period (Japanese: 昭和時代, , Hepburn: Shōwa jidai , potentially "period of enlightened peace/harmony" or "period of radiant Japan") , or Shōwa era, refers to the period of Japanese history corresponding to the reign of the Shōwa Emperor, Hirohito, from December 25, 1926 until his death on January 7, 1989.

Emperor Go-Komatsu: Emperor Go-Komatsu (後小松天皇 "Go-Komatsu-tennō") (August 1, 1377 – December 1, 1433) was the 100th emperor of Japan, according to the traditional order of succession.  He is officially considered to have been the Emperor of Northern Court from May 24, 1382 to October 21, 1392, when Emperor Go-Kameyama abdicated.  He is understood to have been a legitimate emperor (the 100th sovereign) from that date until October 5, 1412.  According to pre-Meiji scholars, his reign spanned the years from 1392 through 1412.

Heisei period: Heisei (Japanese: 平成 ) is the current era in Japan.  The Heisei era started on 8 January 1989, the day after the death of the Emperor Hirohito.  His son, the 125th Emperor Akihito, acceded to the throne.  In accordance with Japanese customs, Hirohito was posthumously renamed the 124th "Emperor Shōwa" on 31 January 1989.

Emperor Chūai: Emperor Chūai (仲哀天皇 , Chūai-tennō ) ; also known as "Tarashinakatsuhiko no Sumeramikoto"; was the 14th emperor of Japan, according to the traditional order of succession.  The dates of his reign are conventionally given as 192 to 200.  He was the first emperor who was not the child of the previous emperor, being instead the nephew of his predecessor Emperor Seimu.

Death and funeral of Hirohito: On January 7, 1989, Hirohito, the 124th Emperor of Japan according to the traditional order of succession, died after suffering from intestinal cancer for some time.  His state funeral was held on 24 February, when the late emperor was buried near his parents at the Musashi Imperial Graveyard in Hachiōji, Tokyo.

Pujie: Pujie (16 April 1907 – 28 February 1994) was a Qing dynasty imperial prince of Manchu descent.  Born in the Aisin Gioro clan, the imperial clan of the Qing dynasty, Pujie was the younger brother of Puyi, the Last Emperor.  After the fall of the Qing dynasty, Pujie went to Japan, where he was educated and married to Saga Hiro, a Japanese noblewoman.  In 1937, he moved to Manchukuo, where his brother ruled as a puppet emperor under Japanese control during the Second Sino-Japanese War (1937–1945).  After the war ended, Pujie was captured by Soviet forces, held in Soviet prison camps for five years, and then extradited back to the People's Republic of China, where he was incarcerated for about 10 years in the Fushun War Criminals Management Centre.  He was later pardoned and released from prison by the Chinese government, after which he joined the Communist Party and served in a number of positions in the party until his death in 1994.

Akihito: Akihito (明仁 , ] ;    ; born 23 December 1933) is the Emperor of Japan.  He is the 125th Emperor of his line according to Japan's traditional order of succession.  Akihito succeeded his father Emperor Shōwa (Hirohito) and acceded to the Chrysanthemum Throne on 7 January 1989.  There has been ongoing coverage of his possible abdication due to age and health issues; 31 December 2018 and 1 January 2019 have been mentioned as possible dates of abdication.

Supporting paragraphs: Hiro Saga Hirohito
Answer: Hirohito