Savang Vadhana

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Savang Vadhana สว่างวัฒนา
Queen Sri Savarindira Queen Aunt of Siam Queen Grandmother of Thailand
Official photo of Savang Vadhana, c. 1879
Queen consort of Siam
Tenure	17 February 1881 – 23 October 1910
Born	(1862-09-10)10 September 1862 Bangkok, Siam
Died	17 December 1955(1955-12-17) (aged 93) Bangkok, Thailand
Burial	22 April 1956 Wat Ratchabophit, Bangkok
Spouse	Chulalongkorn (Rama V)
Issue Detail	Maha Vajirunhis Isariyalongkorn Vichitra Chiraprabha Sommatiwongse Varodaya Valaya Alongkorn Sirabhorn Sobhon Mahidol Adulyadej
House	Chakri dynasty
Father	Mongkut (Rama IV)
Mother	Piam Sucharitakul
Signature

Sri Savarindira (Thai: ศรีสวรินทิรา; RTGS: Si Sawarinthira, 10 September 1862 – 17 December 1955), also known as Savang Vadhana (Thai: สว่างวัฒนา; RTGS: Sawang Watthana). She was a half-sister and one of four principal chief consorts of King Chulalongkorn (Rama V). After her first grandson's accession to power in 1935, she became known as Her Majesty Queen Sri Savarindira, The Queen Grandmother of Thailand title in Thailand is Somdetch Phra Phan Vassa Ayika Chao (สมเด็จพระพันวัสสาอัยยิกาเจ้า; RTGS: Somdet Phra Phan Watsa Ai-yika Chao; "the Queen Grandmother").^[1] All her children died before her and she lived to see her grandsons Ananda Mahidol and Bhumibol Adulyadej take the throne.