Saiful Rijal ibni Abdul Kahar, also spelled Saiful Rehal and Saiful Rizal, was the eighth Sultan of Brunei and reigned from 1533 to 1581. He was succeeded by his eldest son Shah Berunai.
Its as during his reign, when the Castilian War occurred... Wikipedia
Born: Bruneian Sultanate
Died: 1581, Bandar Seri Begawan, Brunei
Children: Muhammad Hasan of Brunei and Shah Berunai
Parents: Abdul Kahar
Grandparent: Bolkiah
Great grandchildren: Muhyiddin of Brunei, Husin Kamaluddin, and Abdul Jalilul Jabbar
Grandchildren: Muhammad Ali, Abdul Jalilul Akbar, Sultan Tengah, and more