Savang Vadhana

Sri Savarindira (10 September 1862 – 17 December 1955), also known as Savang Vadhana, was a half-sister and queen consort 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 Thai is Somdetch Phra Phan Vassa Ayika Chao. All her children died before her and she lived to see her grandsons Ananda Mahidol and Bhumibol Adulyadej take the throne.