They had landed at Pangkalan Lumut and had fought with the people of Perak under the leadership of the son-in-law of Mansur Shah I named Raja Ali.
In the end, Perak lost to Siam, and Raja Ali was killed in the area that is now known as Setiawan.
[4][5] However, in the Sejarah Raja Perak, it is stated that Mansur Shah I was not actually captured and was not taken to Aceh together with his family.
The story of the death of Mansur Shah I is not officially known and it is only said that he disappeared after performing Friday prayers at the Kota Lama Kanan Mosque.
Ever since the incident of Mansur Shah I disappearing after Friday prayers, the people began to think that Mansur Shah I had died and he had been given the title of Marhum Kota Lama Kanan.