According to the Razadarit Ayedawbon chronicle, the queen was the eldest daughter of Saw Ye-Bein, a senior minister at the Hanthawaddy court. Her personal name was Mwei Ohn-Naung (မွေ့ အုန်နောင်). She had two younger sisters, Mwei Auk and Mi U-Si[1] In April 1392, she was raised as the chief queen of King Razadarit, with the title of Yaza Dewi (Pali: Rājadevī). Her two sisters were also raised as queens at the same ceremony.[1]
She and her sisters were first cousins once removed of the king. Their father was a first cousin of Razadarit. Their paternal grandfather Binnya Thein was a noble from Chiang Mai who after a disagreement with the king of Chiang Mai had sought refuge at the court of King Binnya U. Their paternal grandmother was Tala Saw Lun, a daughter of King Saw Zein.[2]
