Note 14 — Chapter III · Rise and Prosperity of Sulu
Reading edition
Abu Bakr was succeeded by his second son, Kamalud-Din. Alawad-Din, the elder son, was weak-minded and was evidently not supported by the ministers of the state. The next three sultans who followed were Diraja, Upu, and Digunung. Their full names are, the Sultan Amirul Umara14 Maharaja Diraja, the Sultan Muʿizzul Mutawadiʿin15 Maharaja Upu, the Sultan Nasirud-Din Awal16 Digunung17 (or Habud18).