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Nobuko
Princess Tomohito of Mikasa
Nobuko in 2017
Born	Nobuko Asō (麻生信子) (1955-04-09) 9 April 1955 (age 69) Shibuya, Tokyo, Japan
Spouse	Prince Tomohito of Mikasa ​ ​(m. 1980; died 2012)​
Issue	Princess Akiko of Mikasa Princess Yōko of Mikasa
House	Asō clan (by birth) Imperial House of Japan (by marriage)
Father	Takakichi Asō
Mother	Kazuko Yoshida

Japanese imperial family
The Emperor The Empress The Princess Toshi
The Emperor Emeritus The Empress Emerita The Crown Prince Akishino The Crown Princess Akishino Princess Kako of Akishino Prince Hisahito of Akishino
The Prince Hitachi The Princess Hitachi
Princess Tomohito of Mikasa Princess Akiko of Mikasa Princess Yōko of Mikasa The Princess Takamado Princess Tsuguko of Takamado
v t e

Princess Tomohito of Mikasa (寛仁親王妃信子, Tomohito Shinnōhi Nobuko) (born Nobuko Asō (麻生信子, Asō Nobuko); 9 April 1955) is a member of the Japanese Imperial Family as the widow of Prince Tomohito of Mikasa.

Background and education

Nobuko, a Catholic, was born on 9 April 1955 in Tokyo. She is the third daughter and youngest child of Takakichi Asō (麻生太賀吉, Asō Takakichi, 1911–1980), the chairman of the Asō Company (best known originally for its activities in the development of coal mines and metallurgy, but today mainly specializing in cement making, as well as being in the medical, environmental and real estate business) and a member of the House of Representatives from 1949 to 1955. He was also a close associate of Prime Minister Kakuei Tanaka. Her mother, Kazuko Yoshida (吉田和子, Yoshida Kazuko, 1915–1996), was the daughter of Prime Minister Shigeru Yoshida. Her elder brother is the former prime minister Tarō Asō.

Through her paternal grandmother, she descends from a younger branch of the feudal Ichinomiya clan. She is the great-granddaughter of the diplomat Count Nobuaki Makino (牧野伸顕, Makino Nobuaki, 1861–1949) and the great-great-granddaughter of the samurai Ōkubo Toshimichi, famous for having been the cause of the Satsuma Rebellion in 1877.

She studied in England and graduated from Rosslyn House College in 1973. After returning to Japan, she taught English in Shoto kindergarten in the district of Shibuya, Tokyo.

Marriage and children

Whilst in the UK she met her future husband, Prince Tomohito of Mikasa, himself a student at Oxford University. His first marriage proposal was rejected in 1973 because of Nobuko's young age. The Imperial Household Council announced the engagement of Prince Tomohito of Mikasa and Nobuko Asō on 18 April 1980 and the engagement ceremony was held on 21 May 1980. The wedding ceremony took place on 7 November 1980 and she became Princess Tomohito of Mikasa. As tradition dictates, upon her entry into the imperial family and like other members, she received a personal emblem (o-shirushi (お印)): the flower of prunus persica (hanamomo (花桃)). Born a Catholic, she is not the first Christian to enter the imperial family (Empress Michiko also comes from a Catholic family and was raised in Christian religious institutions), but she is the first to be baptized.

The couple had two daughters:

• Princess Akiko (彬子女王, Akiko Joō, born 20 December 1981 in Tokyo)
• Princess Yōko (瑶子女王, Yōko Joō, born 25 October 1983 at Japanese Red Cross Medical Center in Tokyo)

The family lived in a compound within the Akasaka Estate complex, in Moto-Akasaka, Minato, Tokyo. In October 2009 and amid her illness, she separated her residence from her husband and children.

The Princess became a widow on 6 June 2012, upon the death of her husband. Nobuko did not appear publicly during the mourning period, and their daughter Princess Akiko acted as the chief mourner. In June 2013 in a statement about the Prince's household, it was announced by the Imperial Household Agency that "it reduced the number of households in the Imperial family by one", integrating it into the household led by his father. According to the agency's officials the household integration would not have any effect on the lives of the widow and daughters of Prince Tomohito.

Official duties

The Princess accompanied her husband on various missions abroad to charity and welfare events, especially those concerning health issues. She is engaged in various welfare organisations and holds positions as president and vice-president.

In 1990, the Prince and Princess visited Turkey to attended the celebrations held for the 100th year of relations between Japan and Turkey. In December 1992, the couple visited the cancer ward at New York Medical College. In May 1994, they went to Hawaii mainly to attend a charity dinner held for the reconstruction of Kuakini Hospital. In February 1994, the Prince and Princess attended the Lillehammer Winter Olympics in Norway. In July 1994, Nobuko visited Australia on her own to support the Sydney Royal Research Institute for those with audio-visual disabilities. In April 1998, Tomohito and Nobuko travelled to Turkey to attend the opening ceremony of the Turkey-Japan Foundation Cultural Centre. In July 2003, the Princess in her capacity as Honorary President of the Japan Rose Society, visited Glasgow, United Kingdom, to attend the World Rose Convention.

On 1 November 2013, Princess Tomohito of Mikasa visited Fukushima Prefecture and met with the people affected by the earthquake which occurred on 11 March 2011. The Princess had not performed any official duty since January 2006 because of a stroke and her asthma and it was her first official appearance in seven years. Since then, she has returned to public life.

Princess Nobuko attended the state funeral of former Prime Minister Shinzo Abe on 27 September 2022 in Tokyo with her eldest daughter, Princess Akiko.

Other interests

Princess Tomohito is usually presented by her family as an excellent chef, and has published two books of recipes titled:

• Published in May 1992: Home cooking of the four seasons – 80 species of side dishes (四季の家庭料理―お惣菜80種, Shiki no katei ryōri ― ozōsai 80-shu). Kōbunsha Publishing Co., Ltd. (ISBN 4334780075)
• Published in October 2013: The home cooking is always ahead of memories (思い出の先にはいつも家庭料理, Omoide no sakini wa itsumo katei ryōri). Magazine House (ISBN 4838726201)

The second book features recipes and ingredients common in Fukushima Prefecture.

Health

Princess Nobuko suffered from brain ischemia in May 2004, which forced her to withdraw for a while to the villa of Sōma family in Karuizawa, Nagano Prefecture, for medical treatment and rest. She continued her rest due to menopause, but in 2006 she returned to Tokyo once to give her New Year's prayers. She went to Karuizawa again for treatment and her symptoms subsided, which resulted in plans for her to return to Tokyo in May. However, the return was postponed due to Prince Tomohito's poor health, who returned to the palace in August of the same year for the first time in two years.

In 2008, she suffered from asthma and was repeatedly in and out of the hospital. She underwent long-term medical treatment at the villa of her older siblings, and even after returning to Tokyo, she did not return to the imperial residence, but instead lived in the official residence of the Commissioner of the Imperial Household Agency. In October 2009, she moved from the hospital where she was hospitalized to the Imperial Household Agency building for medical treatment.

On the night of 8 September 2019, Princess Nobuko fell at her home in Tokyo. The next morning, due to persistent pain, the Princess went to Keio University Hospital in Tokyo, where she was diagnosed with a first lumbar vertebral fracture. She was prescribed a total recovery period of 3 months.

Princess Nobuko was diagnosed with stage one breast cancer in November 2022. Doctors expressed no concern about her case, as she had no obvious symptoms of cancer. The Princess was admitted to Keio University Hospital on 16 November for further examinations, and her surgery to remove the tumor was held on 19 November. After undergoing the surgery, which lasted 2 hours, it was discovered that her breast cancer was at stage 0, and not at stage 1. The Princess was discharged from the hospital on 24 November, after doctors confirmed that her recovery was going well and that the chances of cancer recurrence were very low. She received radiation therapy over 25 sessions at Keio University Hospital between 23 January and 27 February 2023.

On 4 March 2024 the Princess underwent surgery for primary angle-closure and cataracts at Keio University Hospital.

Titles and styles

Styles of Nobuko, Princess Tomohito of Mikasa
Reference style	Her Imperial Highness
Spoken style	Your Imperial Highness

Since her marriage, Nobuko is styled as Her Imperial Highness Princess Tomohito of Mikasa.

Honours

National honours

•  Japan: Grand Cordon of the Order of the Precious Crown.
•  Japan: Dame of the Decoration of the Red Cross.
•  Japan: Recipient of the Red Cross Medal.

Foreign honours

•  Norway : Grand Cross of the Order of St. Olav (26 March 2001).

Honorary Positions

• President of the Tokyo Jikeikai
• Honorary President of the Japan Rose Society
• Honorary President of the Doyo Society of Japan
• Honorary President of the Japan Building Maintenance Association
• Honorary President of the Women's Healthcare Awareness & Menopause Network Society
• Honorary Vice-President of the Japanese Red Cross Society
• International Judo Federation Ambassador

Ancestry

Princess Tomohito is a patrilineal descendant of the Asō clan and is maternally descended from Ōkubo Toshimichi through his son Count Makino Nobuaki. Through her paternal grandmother the Hon. Kanō Natsuko, she is descended from the Tachibana clan of the Miike Domain and from a cadet branch of the Ōkubo clan, who ruled the Odawara Domain. Through her link to the Ōkubo clan, she is an eighth cousin of her late husband and of the present Emperor; all three are seven-times-great-grandchildren of the sixth lord of Hirado, Matsura Atsunobu (1684–1757). They are also tenth cousins by virtue of their descent from Seikanji Hirofusa (1633–1686), a senior palace courtier who held the rank of dainagon in the late-17th century.

Notes

1. ^ "Prince's 2012 passing reduces Imperial household families by one". Japan Times. Retrieved 13 December 2013.
2. "ご逝去から100日…寛仁親王家に前代未聞の"跡目争い" 【寛仁親王家】". 女性自身. 21 September 2012. Retrieved 1 February 2021.
3. ^ "Activities of Their Imperial Highnesses Prince and Princess Mikasa and their family". kunaicho.go.jp. Retrieved 18 October 2012.
4. ^ "故ヒゲの殿下の妻・信子さま 7年10カ月ぶりに公務復帰". 週刊文春. 10 June 2013. Retrieved 12 June 2014.
5. "三笠宮家の信子さま7年ぶり公務 被災地見舞いで福島に". 共同通信. 1 November 2013. Retrieved 12 June 2014.
6. "Japan's Imperial family sends 7 members, 4 envoys to Abe's state funeral". The Japan News. 28 September 2022. Retrieved 28 September 2022.
7. "Crown prince and six other imperial family members to attend Abe's state funeral". The Japan Times. 21 September 2022. Retrieved 21 September 2022.
8. "Crown prince, 6 other imperial members to attend Abe state funeral". Japan Today. 22 September 2022. Retrieved 22 September 2022.
9. "信子さま2年ぶりに宮邸に 寛仁さまも退院へ". 共同通信. 15 August 2006. Retrieved 12 June 2014.
10. "信子さまが退院 宮邸に戻らず療養". 共同通信. 17 October 2009. Retrieved 12 June 2014.
11. "信子さまのお住まい改修の設計費計上 仮住まい先に高輪皇族邸を検討". 朝日新聞デジタル. 11 February 2023. Retrieved 11 February 2023.
12. "信子さま、転倒し背骨を骨折 全治３か月". 日テレNews. 9 September 2019. Retrieved 9 September 2019.
13. "Princess Nobuko to undergo breast cancer surgery after early-stage diagnosis". The Japan Times. 15 November 2022. Retrieved 15 November 2022.
14. "Princess Nobuko to undergo breast cancer surgery after early-stage diagnosis". The Japan Times. 15 November 2022. Retrieved 15 November 2022.
15. "Princess Nobuko Diagnosed with Early-Stage Breast Cancer". Nippon.com. 15 November 2022. Retrieved 15 November 2022.
16. "Princess Nobuko Doing Well after Breast Cancer Surgery". Nippon.com. 19 November 2022. Retrieved 19 November 2022.
17. "Princess Nobuko undergoes successful breast cancer surgery". Japan Today. 20 November 2022. Retrieved 20 November 2022.
18. "Princess Nobuko Leaves Hospital after Cancer Surgery". Nippon.com. 24 November 2022. Retrieved 24 November 2022.
19. "信子さま、乳がん術後の放射線治療でご通院へ". The Sankei News (in Japanese). 16 January 2023. Retrieved 12 February 2023.
20. "信子さま、乳がん術後の放射線治療終えられる". The Sankei News (in Japanese). 28 February 2023. Retrieved 17 March 2023.
21. 日本テレビ. "信子さまの両目の手術、無事終了 宮内庁発表｜日テレNEWS NNN". 日テレNEWS NNN (in Japanese). Retrieved 5 March 2024.
22. "Their Imperial Highnesses Prince and Princess Tomohito of Mikasa". kunaicho.go.jp. Retrieved 17 November 2022.
23. ^ "Her Imperial Highnesses Princess Mikasa and her family". The Imperial Household Agency. Retrieved 3 May 2023.
24. "高木氏 (Kanō genealogy)". Reichsarchiv (in Japanese). Retrieved 30 July 2017.
25. "松浦氏 (Matsura genealogy)". Reichsarchiv (in Japanese). Retrieved 6 January 2018.
26. "高木氏 (Seikanji genealogy)". Reichsarchiv (in Japanese). Retrieved 1 September 2017.

External links

• Her Imperial Highness Princess Mikasa and her family at the Imperial Household Agency website

v t e Japanese princesses by marriage
Generations are numbered from the daughter-in-law of Emperor Meiji
1st generation	Sadako Kujō
2nd generation	Princess Nagako of Kuni* Setsuko Matsudaira Kikuko Tokugawa Yuriko Takagi
3rd generation	Michiko Shōda Hanako Tsugaru Nobuko Asō Hisako Tottori
4th generation	Masako Owada Kiko Kawashima
* also a princess of Japan in her own right.

• Japanese princesses
• 1955 births
• Living people
• Japanese Roman Catholics
• Grand Cordons (Imperial Family) of the Order of the Precious Crown
• 20th-century Japanese women
• 21st-century Japanese women
• Princesses by marriage