The eldest child of King Thihathu of Ava (r. 1421–1425) was only 8 when he was placed on the throne by the court, following the assassination of his father.
[note 1] The prince had two younger sisters, Saw Pyei Chantha and Shwe Pyi Shin Me,[note 2] and four older maternal half-siblings—Minye Kyawhtin, Min Hla Htut, Minye Aung Naing, Saw Min Phyu, from his mother's first marriage to his uncle Crown Prince Minye Kyawswa.
[1] His mother was wedded to his father in 1416, a year after the death of Minye Kyawswa, by his grandfather King Minkhaung I (r.
About four years later in August 1425, Thihathu was assassinated in an attempted coup by one of his queens, Shin Bo-Me, who had planned to place her lover Prince Nyo of Kale (Kalay) on the throne.
At Ava, Bo-Me managed to poison the boy king to death in early November 1425.