After Sultan Abdul Jalilul Akbar's death, there was a civil war and disputed succession between Raja Besar Pangiran Abdul (Abdullah), the eldest son, who may have reigned briefly but was not recognized in the Sisilah, and Raja Tengah Aliuddin, the second son.
This shows that Sultan Muwalil Wasit supported his senior nephew, Raja Besar, by interfering in the civil war in Brunei.
[4] The Sultan Hasan's Canons (Syariah Penal Code) was left intact by his father in his testament for him.
[5][6] Sultan Abdul Jalilul Jabbar ruled only for a year from 1659 to 1660, before passing away and succeeded by his uncle Muhammad Ali, despite having two issues.
[7][8] Sultan Abdul Jalilul Jabbar had two children whom were: This biography of a member of a Bruneian royal house is a stub.