 Bagyidaw died on 15 October 1846, at age 62.The future king was born Maung Sein to Crown Prince Thado Minsaw, Prince of Shwedaung and his half-sister Min Kye, Princess of Taungdwin, on 23 July 1784.The infant prince was granted Sagaing as his fief by his grandfather King Bodawpaya, hence known as Prince of Sagaing.