Saovabha Phongsri เสาวภาผ่องศรี
Queen Sri Bajarindra Queen Mother of Siam
Queen consort of Siam
Tenure	4 April 1897 – 23 October 1910
Queen regent of Siam
Regency	7 April 1897 –16 December 1897
Monarch	Chulalongkorn (Rama V)
Born	(1864-01-01)1 January 1864 Bangkok,Siam
Died	20 October 1919(1919-10-20) (aged 55) Bangkok, Siam
Spouse	Chulalongkorn (Rama V)
Issue Detail	Bahurada Manimaya Vajiravudh (Rama VI) Tribejrutama Dhamrong Chakrabongse Bhuvanath Siriraj Kakudhabhand Asdang Dejavudh Chudadhut Dharadilok Prajadhipok (Rama VII)
Names Somdet Phra Nang Chao Saovabha PhongsriPhra Boromma Rajininat
House	Chakri dynasty
Father	Mongkut (Rama IV)
Mother	Piam Sucharitakul
Religion	Theravada Buddhism
Signature

Royal wives of Chulalongkorn

Sunanda Kumariratana

Sukhumala Marasri

Savang Vadhana

Saovabha Phongsri

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Saovabha Phongsri (Thai:เสาวภาผ่องศรี;RTGS: Saowapha Phongsi (Pronunciation)) was an agnatic half-sister, royal wife and queen consort of KingChulalongkorn (Rama V) of Thailand, and mother of both KingVajiravudh (Rama VI) and KingPrajadhipok (Rama VII). As in accordance with Thai royal tradition, King Vajiravudh later bestowed on his mother the title of "Queen Mother Sri Bajrindra" (Thai:ศรีพัชรินทร;RTGS: Si Phatcharin).

Saovabha was born as a Princess of Siam to KingMongkut (or Rama IV) and Princess ConsortPiyamavadi (Piam Sucharitakul). She was the youngest sister of the future QueenSunanda Kumariratana and QueenSavang Vadhana. Saovabha became the consort of her half-brother KingChulalongkorn sometime in 1878. She gave him 9 children, 5 would survive to adulthood (one died in infancy), two would eventually become King of Siam.

In 1897, Queen Saovabha became the first femaleRegent of Siam, when her husband went on a tour of Europe. When he returned he bestowed upon her the title of "Somdet Phra Nang Chao Saowapha Phongsi Praborommarachininat" (RTGS) (Thai:สมเด็จพระนางเจ้าเสาวภาผ่องศรี พระบรมราชินีนาถ) (roughly equivalent to H.M. the Queen Regent). During her time as queen, she took many interests, especially in the issues concerning women. In 1904 she established one of the first schools for girls in Siam; the "Rajini School" or Queen's School in Bangkok.

When she died in 1919 at the age of 58, she was given a grand Royal Funeral, attended by all members of the Siamese Royal Family, and the ceremony was presided over by her son King Vajiravudh. She played a prominent posthumous role in the1924 Palace Law of Succession, in which her son King Vajiravudh stipulated that her children would take precedent among all others over the line of succession. This guaranteed the accession of her youngest son Prince Prajadhipok to the throne in 1925, despite there being more senior and learned sons of Chulalongkorn. TheQueen Saovabha Memorial Institute was named after her.

She had 9 children with King Chulalongkorn:

In addition, the queen also adopted one of Savang Vadhana's daughters, PrincessValaya Alongkorn and raised as her own daughter.

• 1924 Palace Law of Succession
• Savang Vadhana
• Chulalongkorn
• Vajiravudh
• Prajadhipok

• The Thai Redcross Society (English)
• The Queen Saovabha Memorial Institute

• 1861 births
• 1955 deaths
• Thai queen mothers
• Regents of Thailand
• Queens consort of Thailand
• Daughters of kings
• 19th-century regents
• 19th-century women regents

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