[1] Born as Engku Sentul, he was the second son of Bendahara Tun Abdul Majid, who he succeeded on his death in 1802.
When the news of the murder of his brother, Tun Abdul Mutalib, reached him, he hurried to Pekan with his troops.
[1] Tun Muhammad decided to settle at Riau, and when his father died in 1802, the Sultan installed him as the next bendahara.
While he was crossing from Tioman Island to Endau, his boat was wrecked in a storm and he, and one of his wives were trapped in a cabin and died.
He was known posthumously as Marhum Mangkat di Laut ('the late chief who died at sea') after his death,[1] having had a son and a daughter.