Laygyun Mibaya

Chief vicereine of Toungoo

လေးကျွန်း မိဖုရားChief vicereine of ToungooTenureMarch 1549 – 30 April 1550
6 June 1552 – June 1584PredecessorSister of Shin Myo MyatSuccessorMin Khin SawQueen consort of ToungooTenureby 1535–1545

Born1520s
Prome (Pyay)Diedc. 1580s
Toungoo (Taungoo)SpouseTabinshwehti (1535–1545)
Minkhaung II of Toungoo (1545–1584?)IssueMinye Thihathu II^[1]
Thado Dhamma Yaza
Min Phyu
Thiri Yaza Dewi
Min HtweHousePromeFatherBayin HtweMotherChit Mi of PromeReligionTheravada Buddhism

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Laygyun Mibaya (Burmese: လေးကျွန်း မိဖုရား, pronounced [lé d͡ʑʊ́ɰ̃ mḭbəjá]) was the chief queen of Viceroy Minkhaung II of Toungoo (r. 1549–1550, 1552–1584). Self-proclaimed kings of Toungoo Minye Thihathu II and Natshinnaung were her son and grandson, respectively.

Born to the Prome royalty (and ultimately descended from the Ava royalty), she was married off to King Tabinshwehti of Toungoo Dynasty by her half-brother King Narapati of Prome in the 1530s. At Toungoo (Taungoo), she became a minor queen, living off the palace in a house located in the Laygyun Garden. She came to be known as Laygyun Mibaya (lit. "Queen of Laygyun").^[1] In 1545, Tabinshwehti married his minor queen off to Zeya Nanda, who would later be known as Minkhaung II.^[2]

She had five children all by Minkhaung II. Her eldest son Minye Thihathu II married his first cousin Min Khin Saw, daughter of King Bayinnaung and Queen Sanda Dewi.^[3] All three of her daughters were married to their first cousin King Nanda in 1582.^[4]

The following is her ancestry as reported in the Hmannan Yazawin chronicle, which in turn referenced contemporary inscriptions.^{[note 1]}

• Kala, U (1724). Maha Yazawin (in Burmese). Vol. 1–3 (2006, 4th printing ed.). Yangon: Ya-Pyei Publishing.
• Maha Sithu (1798). Myint Swe; Kyaw Win; Thein Hlaing (eds.). Yazawin Thit (in Burmese). Vol. 1–3 (2012, 2nd printing ed.). Yangon: Ya-Pyei Publishing.
• Royal Historical Commission of Burma (1832). Hmannan Yazawin (in Burmese). Vol. 1–3 (2003 ed.). Yangon: Ministry of Information, Myanmar.