Bryan McAllister’s personal reference notebook
July 30, 2026Short & citedBlog
Civic Viewpoint.
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People File • Royalty

Bajrakitiyabha

Bajrakitiyabha, also known as Princess Bajrakitiyabha Narendira Debyavati or Princess Rajasarini Siribajra, was a Thai royal of the Chakri dynasty.

Updated July 30, 20261 min readCited sources

Princess Bajrakitiyabha was a Thai royal and the eldest daughter of King Maha Vajiralongkorn. She died in June 2026 after a prolonged coma following a heart-related collapse in 2022.

Who she was

Bajrakitiyabha Narendira Debyavati was born in Bangkok on 7 December 1978 to King Maha Vajiralongkorn and Princess Soamsawali. She held the title Her Royal Highness Princess Bajrakitiyabha Narendira Debyavati Kromluangrajasarinisiribajra Mahavajrarajadhita and worked as a lawyer, diplomat, and politician.

Key details

In December 2022, she collapsed while walking her dogs and was reported to have suffered a heart condition. She remained in a coma for over three years until her death on 11 June 2026 at age 47. Her career included legal and public-service roles, as noted by Thai and international sources.

Why it matters

As the eldest child of the Thai king, Bajrakitiyabha was a prominent figure in the Chakri dynasty. Her sudden medical emergency and prolonged coma drew significant attention, and her death marked the end of a notable royal life in modern Thailand.

In short

  • Princess Bajrakitiyabha was the eldest daughter of King Maha Vajiralongkorn.
  • She collapsed in December 2022 and remained in a coma until her death.
  • She died on 11 June 2026 at age 47.
  • She was a lawyer, diplomat, and politician.

Quick questions

Who is Princess Bajrakitiyabha?
She was a Thai princess of the Chakri dynasty, the eldest daughter of King Maha Vajiralongkorn and Princess Soamsawali, and a lawyer and diplomat.
What happened to Princess Bajrakitiyabha?
She collapsed in December 2022 while walking her dogs and was reported to have suffered a heart-related medical emergency. She remained hospitalized and in a coma until her death in June 2026.
How old was Princess Bajrakitiyabha when she died?
She was born on 7 December 1978 and died on 11 June 2026 at age 47.

Sources

  1. Thailand Public Relations Department — https://thailand.prd.go.th/en/content/category/detail/id/44/iid/511656
    Supports: Birth date, parentage, and royal titles
  2. BBC News — https://www.bbc.com/news/articles/cvgzzndx780o
    Supports: 2022 collapse, coma, and death in 2026
  3. Wikipedia — https://en.wikipedia.org/wiki/Bajrakitiyabha
    Supports: Basic biography, birth and death dates, royal identity
  4. UN Women — https://www.unwomen.org/en/partnerships/goodwill-ambassadors/princess-bajrakitiyabha
    Supports: Professional roles and public-service work