Ubol Ratana

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Ubol Ratana
Princess of Thailand
Princess Ubolratana 2010-12-7 2 cropped1.jpg
Princess Ubol Ratana (2010)
Born (1951-04-05) 5 April 1951 (age 67)
Lausanne, Switzerland
Peter Ladd Jensen
(m. 1972; div. 1998)
Issue Ploypailin Jensen
Poom Jensen
Sirikitiya Jensen
House Mahidol (Chakri Dynasty)
Father Bhumibol Adulyadej (Rama IX)
Mother Sirikit Kitiyakara
Religion Buddhism

Princess Ubolratana (Thai: อุบลรัตน; RTGSUbonrat; Thai pronunciation: [ʔù.bon.rát]; born 5 April 1951 in Lausanne, Switzerland), or full name Ubolratana Rajakanya Sirivadhana Barnavadi (Thai: อุบลรัตนราชกัญญา สิริวัฒนาพรรณวดี; RTGSUbonrat 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 the couple divorced in 1998.

In 2001, after a series of visits to Thailand following her divorce, she permanently returned to Thailand for good. Almost immediately after her return, Ubolratana began to fulfill her royal duties by taking part in many ceremonies. She started many charitable foundations that focused on improving the quality of life for the Thai People.[1]

Early life[edit]

Princess Ubolratana Rajakanya is the eldest child of King Bhumibol Adulyadej and Queen Sirikit. She was born on April 5, 1951, at Clinique de Montchoisi in Lausanne, Switzerland. She returned to Thailand and stayed at Amphorn Sathan Residential 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.

In the 4th SEA Games in 1967 that took place 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 Massachusetts Institute of Technology, 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.

Marriage and family[edit]

On 25 July 1972, Ubol Ratana relinquished her royal titles to marry fellow MIT student Peter Ladd Jensen. The princess then lived in the United States with her husband for over 26 years. Her husband, as a foreigner, did not receive any royal titles. However, she took the title Mrs. Julie Jensen without Her Royal Highness at the beginning of her name. After years of rumoured marital problems, they divorced in 1998. Ubol Ratana and her children continued to reside 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 title[edit]

Styles of
Princess Ubolratana of Thailand
Female Royalty's Standard of Thailand.svg
Reference style Her Royal Highness
Spoken style Your Royal Highness

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.

  • Her Royal Highness Princess Ubolratana Rajakanya (1951–1972)
  • Princess Ubolratana Rajakanya Jensen / Mrs Julie Jensen[3][4] (1972–1998)
  • Princess Ubolratana Rajakanya / Mrs Ubolratana Mahidol (1998–present)

The Princess' style and title in full: Princess Ubolratana Rajakanya Sirivadhana Barnavadi (Thai: ทูลกระหม่อมหญิงอุบลรัตนราชกัญญา สิริวัฒนาพรรณวดี; RTGSThunkramom Ying Ubonrat Ratchakanya Siriwatthana Phannawadi).

Film career[edit]

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.[5] On October 2010, she appeared in the film My Best Bodyguard (มายเบสต์บอดีการ์ด).

Foreign honours[edit]


See also[edit]


  1. ^ "'Princess Ubolratana Biography'". Retrieved 2017-07-04.
  2. ^ "Prince dies in tsunami, was grad of Torrey Pines". The San Diego Union-Tribune. 30 Dec 2004. Retrieved 2010-09-19.
  3. ^ "Prince dies in tsunami, was grad of Torrey Pines". The San Diego Union-Tribune. December 30, 2004. Retrieved 2010-09-19.
  4. ^ "Latest North County headlines - San Diego Union Tribune". Nctimes.com. Retrieved 2016-10-23.
  5. ^ [1]
  6. ^ ":Photographic image" (JPG). Theroyalforums.com. Retrieved 2016-10-23.
  7. ^ ":Photographic image" (JPG). Theroyalforums.com. Retrieved 2016-10-23.

External links[edit]

Ubol Ratana
Born: 5 April 1951
Order of precedence
Preceded by
Princess Chulabhorn Walailak
The Royal Sister
6th position
Succeeded by
Princess Soamsawali