What is "srinagarindra"

Princess Srinagarindra (; ; 21 October 1900 – 18 July 1995) née Sangwan Talapat (; ) was a member of the Thai Royal Family and was a member of House of Mahidol, which is descended from Chakri Dynasty, originated by Prince Mahidol Adulyadej, the Prince of Songkla, son of King Chulalongkorn (Rama V). She was the mother of Princess Galyani Vadhana, the Princess of Naradhiwas, King Ananda Mahidol (Rama VIII), and King Bhumibol Adulyadej (Rama IX).

Her given name was Sangwan , while her formal name and title were Somdet Phra Srinagarindra Boromarajajonani . In Thailand, she was affectionately called Somdet Ya , "the Royal Grandmother". By the various hill tribe people, to whom she was a special patron, she was called Mae Fah Luang , "Royal Mother from the Sky" or "The Heavenly Royal Mother".