Ubolratana Rajakanya

Ubolratana Rajakanya
Princess of Thailand

Princess Ubolratana (2010)
Born (1951-04-05) 5 April 1951
Lausanne, Switzerland
Spouse Peter Ladd Jensen
(m. 1972; div. 1998)
Issue Ploypailin Jensen
Poom Jensen
Sirikitiya Jensen
House Mahidol (Chakri Dynasty)
Father King Bhumibol Adulyadej (Rama IX)
Mother Queen Sirikit
Religion Buddhism

Princess Ubolratana Rajakanya (Thai: อุบลรัตนราชกัญญา; rtgs: Ubonrat Ratchakanya; Thai pronunciation: [ʔù.bon.rát râːt.tɕʰa.kan.jāː]; born 5 April 1951 in Lausanne, Switzerland), or full name Ubolratana Rajakanya Sirivadhana Barnavadi (Thai: อุบลรัตนราชกัญญา สิริวัฒนาพรรณวดี; rtgs: Ubonrat Ratchakanya Siriwatthana Phannawadi), is a princess of Thailand and the eldest child of King Bhumibol Adulyadej and Queen Sirikit. She relinquished her royal title and settled in the United States with her husband, Peter Ladd Jensen, but returned to Thailand after divorcing in 1998.

Since her return to Thailand, she has increasingly taken part in royal ceremonies, though not to the extent of her royal siblings. In 2008, she began a film career, playing the main role in the Thai film Where the Miracle Happens.

Early life

Princess Ubolratana Rajakanya is the eldest child of King Bhumibol Adulyadej and Queen Sirikit. She was born on 5 April 1951 at Mont Suisse Hospital in Lausanne, Switzerland. She returned to Thailand and stayed at Ambhornsathan Throne Hall, Dusit Palace. She was styled Her Royal Highness by her father at the Royal Celebration of the first month birthday ceremony (Phra Ratchaphithi Somphot Duean Lae Khuen Phra U; พระราชพิธีสมโภชเดือนและขึ้นพระอู่) King Bhumibol Adulyadej gave her name and style Her Royal Highness Princess Ubolratana Rajakanya Sirivadhana Barnavadi. Her names are derived from several royal ancestors:

She has taken part in royal duties since she was very young.

In 4th SEA Games in 1967 in Bangkok, the King and Princess Ubolratana Rajakanya competed in sailing and won gold medals.


Ubol Ratana attended primary to secondary levels at Chitralada School. She went to the United States for her tertiary education. She studied at MIT, graduating with a Bachelor of Science in mathematics in 1973. She later obtained a master's degree in public health at University of California at Los Angeles.

While at MIT she first met Peter Ladd Jensen, whom she later married.

Marriage and family

On 25 July 1972, Ubol Ratana relinquished her royal titles to marry Jensen, then lived in the United States with her husband for over 26 years. Her husband, as a foreigner, did not receive any royal titles. After years of rumoured marital problems, they divorced in 1998. Ubol Ratana and her children lived in San Diego until 2001, when they returned to Thailand.

Ubol Ratana and Peter Ladd Jensen had three children: two daughters and a son, all born in the United States.

While Ubolratana Rajakanya Jensen remained in the U.S., her mother Queen Sirikit and other members of the Royal Family often flew to the United States for visits. Ubol Ratana likewise flew to Thailand along with her husband to visit her parents and the other members of the Royal Family, while joining them in royal ceremonies when she visited Thailand. She visited in 1980, 1982, 1987, 1992 and 1996, taking part in several family events, before her permanent return in 2001.

Royal cypher of Ubolratana Rajakanya
Styles of
Princess Ubolratana Rajakanya of Thailand
Reference style Her Royal Highness
Spoken style Your Royal Highness
Alternative style Ma'am

Royal title

Ubol Ratana was born with the titles of Her Royal Highness and Princess Chao Fa, but gave these up on her marriage to an American citizen. The title Chao Fa was lost because she married a commoner. She had previously held the royal title Chao Fa Ubolratana Rajakanya. She still retains the style of Tunkramom Ying, which means "Daughter to the Queen Regent". Since her return to Thailand, she has increasingly taken part in royal ceremonies, though not to the extent of her siblings.

Film career

Ubol Ratana acted in the Thai movie Where The Miracle Happens (หนึ่งใจ..เดียวกัน), released in August 2008. She plays the drama's main role of a lonely-at-the-top CEO who begins a life of philanthropy after the death of her only daughter.[4] On October 2010, she appeared in the film My Best Bodyguard (มายเบสต์บอดีการ์ด).


National honours

Foreign honours


See also


  1. "Prince dies in tsunami, was grad of Torrey Pines". The San Diego Union-Tribune. 30 Dec 2004. Retrieved 2010-09-19.
  2. "Prince dies in tsunami, was grad of Torrey Pines". The San Diego Union-Tribune. December 30, 2004. Retrieved 2010-09-19.
  3. "Latest North County headlines - San Diego Union Tribune". Nctimes.com. Retrieved 2016-10-23.
  4. "??" (PDF). Ratchakitcha.soc.go.th. Retrieved 2016-10-23.
  5. ":Photographic image" (JPG). Bkk1.in.th. Retrieved 2016-10-23.
  6. 1 2 upload.wikimedia.org, Princess Ubolratana as a young girl wearing the Grand Cordon with Chain set of the 'Order of the Royal House of Chakri' and also the King Bhumibol Medal
  7. 1 2 3 upload.wikimedia.org, Princess Ubolratana wearing the 'Order of the Royal House of Chakri' Grand Cordon and Chain as well as the Star and Grand Cordon badge of the 'Order of Chula Chom Klao' with the 'King Bhumibol Adulyadej Royal Medal'
  8. 1 2 Princess Ubolratana wearing the 'Order of the Royal house of Chakri' Chain and the 'King Bhumibol Adulyadej Royal Medal', Static.wixstatic.com, retrieved 20016-10-23
  9. ":Photographic image : Princess Ubolratana" (JPG). Upload.wikimedia.org. Retrieved 2016-10-23.
  10. "??" (PDF). Ratchakitcha.soc.go.th. Retrieved 2016-10-23.
  11. ":Photographic image" (JPG). Sunset-city.com. Retrieved 2016-10-23.
  12. "??" (PDF). Ratchakitcha.soc.go.th. Retrieved 2016-10-23.
  13. ":Photographic image" (JPG). S-media-cache.ak0.oinimg.com. Retrieved 2016-10-23.
  14. "??" (PDF). Ratchakitcha.soc.go.th. Retrieved 2016-10-23.
  15. 1 2 ratchakitcha.soc.go.th, Communicat of Princess Ubolratana's membership of the Ramkeerati decoration and Boy Scout citation medal
  16. "??" (PDF). Ratchakitcha.soc.go.th. Retrieved 2016-10-23.
  17. ":Photographic image" (JPG). 2.bp.blogspot.com. Retrieved 2016-10-23.
  18. "Dutch State Visit to Thailand: January 19-23, 2004 - Page 3". The Royal Forums. Retrieved 2016-10-23.
  19. ":Photographic image" (JPG). Theroyalforums.com. Retrieved 2016-10-23.
  20. ":Photographic image" (JPG). Theroyalforums.com. Retrieved 2016-10-23.

External links

Ubolratana Rajakanya
Born: 5 April 1951
Order of precedence
Preceded by
Princess Chulabhorn Walailak
King's daughter
6th position
Succeeded by
Princess Soamsawali
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