Bejaratana
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| Born | 25 November 1925 Bangkok, Siam | ||||||||
| Died | 27 July 2011 (aged 85) Bangkok, Thailand | ||||||||
| Burial | 12 April 2012 | ||||||||
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| Dynasty | Chakri | ||||||||
| Father | Vajiravudh (Rama VI) | ||||||||
| Mother | Suvadhana | ||||||||
| Religion | Theravada Buddhism | ||||||||
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Princess Bejaratana Rajasuda (Thai: เพชรรัตนราชสุดา; Thai pronunciation: [pʰêttɕʰarát râːttɕʰasùdāː]; RTGS: Phetcharat Ratchasuda, 25 November 1925 – 27 July 2011) was the only child of the King Vajiravudh of Thailand. She was a first cousin of King Bhumibol Adulyadej as well as a third cousin to Prince Bhisadej Rajani on her paternal side and third cousin of King Norodom Sihanouk of Cambodia on her maternal side.
Her funeral was held on 9 April 2012, at Sanam Luang ceremonial ground in Bangkok.