Before the interment ceremony, on 6 June 1950, his brother, Pengiran Bendahara Seri Maharaja Permaisuara Pengiran Muda Omar Ali Saifuddien, was installed as the 28th Sultan of Brunei. The coffin was carried out of the Palace and headed to the Royal Mausoleum, accompanied by his younger brother, the new sultan, the royal family, dignitaries of the country, and the people, to be laid to rest at the Royal Mausoleum. His Highness was laid to rest beside his father, Sultan Muhammad Jamalul Alam II and his grandfather, Sultan Hashim Jalilul Alam Aqamaddin.