 The princess was born on 12 November 1559 to Queen Yaza Dewi and King Bayinnaung of Toungoo in Pegu (Bago).She was named Yaza Datu Kalaya because she was born on the day when the relic chamber of the Mahazedi Pagoda in Bago was dedicated for the first time.From her mother's side, she was descended from the Ava royal line.