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Thiri Maya Dewi Mwei Daw (Burmese: သီရိမာယာဒေဝီ မွေ့ဒေါ, pronounced [θìɹḭ màjà dèwì mwḛ dɔ́]; c. 1330s – 28 January 1368) was a principal queen of King Binnya U of Martaban–Hanthawaddy, and the mother of King Razadarit.

Mwei Daw was the youngest daughter of Than-Bon, a senior minister at the court of King Binnya U. Than-Bon was a son of Senior Minister Bo Htu-Hpyet who served at the court of King Wareru. In 1348/49, soon after the accession of Binnya U, she was married to Gov. Min Linka of Pegu, younger half-brother of Binnya U. Her three elder sisters Mwei It, Mwei Kaw and Mwei Zeik became principal queens of Binnya U.^[1] She and Linka had two daughters—Thazin Saw Dala and Thazin Saw U—and a son, Nyi Kan-Kaung.^[2]

C. 1353,^{[note 1]} her husband revolted against Binnya U. But the rebellion failed. Min Linka was arrested, and executed. Binnya U raised his sister-in-law to queen with the title of Thiri Maya Dewi.^[2] In 1368, they had a son named A-Pa-Thon, though he died soon after the birth in Donwun.^[3] The son later became King Razadarit.

• Pan Hla, Nai (2005) [1968]. Razadarit Ayedawbon (in Burmese) (8th printing ed.). Yangon: Armanthit Sarpay.