Srinagarindra, Princess Mother

Princess Srinagarindra (Thai: ศรีนครินทรา; RTGS: Si Nakharinthra; 21 October 1900 – 18 July 1995) born Sangwan Talapat (Thai: สังวาลย์ ตะละภัฏ; RTGS: Sangwan Talaphat) was a member of the Royal Thai Family. She was part of the House of Mahidol, which is descended from the Chakri Dynasty and was originated by Prince Mahidol Adulyadej. She was the mother of Princess Galyani Vadhana, the Princess of Naradhiwas, King Ananda Mahidol (Rama VIII), and King Bhumibol Adulyadej (Rama IX) and was the paternal grandmother of King Vajiralongkorn (Rama X).
Her formal name and title was Somdet Phra Srinagarindra Boromarajajonani (Thai: สมเด็จพระศรีนครินทราบรมราชชนนี). In Thailand, she was affectionately called Somdet Ya (Thai: สมเด็จย่า), “the Royal Grandmother”. The various hill tribe people, to whom she was a special patron, called her Mae Fah Luang (Thai: แม่ฟ้าหลวง), “Royal Mother from the Sky” or “The Heavenly Royal Mother”.