Princess Chulabhorn, the Princess Srisavangavadhana (Thai: จุฬาภรณ; Thai pronunciation: [tɕù.lāː.pʰɔ̄ːn]; RTGS: Chulaphon; born 4 July 1957) is a princess of Thailand, the youngest daughter of King Bhumibol Adulyadej and Queen Sirikit, and the younger sister of King Vajiralongkorn. She is officially styled Her Royal Highness Princess Chulabhorn, which corresponds to her full Thai title Somdet Phrachao Nong Nang Thoe Chaofa Chulabhorn Walailak Agrarajakumari (Thai: สมเด็จพระเจ้าน้องนางเธอ เจ้าฟ้าจุฬาภรณวลัยลักษณ์ อัครราชกุมารี).[1]

Princess Srisavangavadhana
Princess Chulabhorn, the Princess Srisavangavadhana, in 2020
Born (1957-07-04) 4 July 1957
Amphorn Sathan Residential Hall
Dusit Palace, Bangkok, Thailand
Virayudh Tishyasarin
(m. 1982; div. 1996)
Chulabhorn Walailak Agrarajakumari
HouseMahidol (Chakri Dynasty)
FatherBhumibol Adulyadej (Rama IX)
MotherSirikit Kitiyakara
ReligionTheravada Buddhism


Princess Chulabhorn studied chemistry and graduated in 1979 from the Faculty of Science at Kasetsart University, with a Bachelor of Science, First Class Honours. She continued to study Science at Mahidol University, where she received her Doctorate in 1985.

She is heavily involved in the promotion of scientific research, and regularly gives awards and prizes. She held the position of a guest lecturer in chemistry at the Mahidol University. She also serves as president of the Chulabhorn Research Institute. She was awarded the UNESCO Einstein Medal[2] for her efforts in promoting scientific collaboration in 1986 and was the first Asian to be invited to join the Royal Society of Chemistry in the United Kingdom as an Honorary Fellow.[3]

Later in 2019, She received a Ph.D. in Visual Arts from the Faculty of Painting, Sculpture and Graphic Arts, Silpakorn University.


Virayudh Tishyasarin (1955-05-01) 1 May 1955 m.1982-div.1996 Princess Chulabhorn Princess Siribha Chudabhorn

Princess Aditayadorn Kitikhun

In 1981, Chulabhorn married Royal Thai Air Force officer Group Captain Virayudh Tishyasarin (Thai: วีระยุทธ ดิษยะศริน; RTGS: Wirayut Dityasarin), a commoner, an Air vice-marshal. According to royal custom, she would have lost her title upon marrying a man of lower rank. However, her father granted her special permission to keep the title Chao Pha even after her marriage.


Princess Siribha Chudabhorn
(1982-10-08) 8 October 1982 Princess Chulabhorn

Virayudh Tishyasarin

Princess Aditayadorn Kitikhun
(1984-05-05) 5 May 1984

Honours and awards

Royal cypher of Princess Chulabhorn
Royal cypher of Princess Chulabhorn

Military rank

Volunteer Defense Corps of Thailand rank

  • Volunteer Defense Corps Colonel[5]

Academic rank

Foreign honours



  1. Finestone, Jeffrey. The Royal Family of Thailand: The Descendants of King Chulalongkorn. Bangkok : Phitsanulok Publishing, 1989, p. 273
  2. "Chulabhorn Research Institute". Archived from the original on 5 March 2016. Retrieved 30 March 2016.
  3. "Membership and professional community". Retrieved 30 March 2016.
  9. Alamy
  10. "Ministerio de Asuntos Exteriores" (PDF) (in Spanish). Archived from the original (PDF) on 7 April 2014. Retrieved 20 July 2013.
  11. "Photographic image" (JPG). Retrieved 31 March 2016.
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