After the official coronation ceremony in Lavea Em, in 2162 BE, 1618 AD, Maha Sakarach 1541, His full name was called "Preahbat Samdech Preah Chey Chestha Thireach Reameathibdei" He was the eldest son of the Borom Reachea IV and had a younger brother, Outey, who was captured by the Siamese king and sent to Ayutthaya during the Siamese siege of Longvek in 1593 AD.

In a secret message, Srei Soiyoapor told his son, Chey Chestha, to find a way to return to Cambodia and transfer the throne to him.

The Siamese king Naresuan, upon hearing that Chey Chestha had fled back to Cambodia, became depressed and died in 1605 AD.

Srei Soriyoapor transferred the throne to his son Chey Chestha II including a royal wedding with the daughter of Annam king named Ang Zhou in 1618 AD.

Siam raised 105,000 troops led by a Siamese general named Samdach Thai Da.

The Siam navy, which sailed through the strait of Banteay Meas district (Kep province), failed under the auspices of Preah Outey.

Chey Chestha requested the help of Annamite troops for the second time, Annam sent 25,000 navies to fight with Cambodia in the battle of Peam province (currently: by the Vietnamese government).

In this land loan, Emperor Annam described the sacrifices of his army in coming to fight with Cambodia.

However, King Chey Chesha II did not reclaim these two areas because he died in 1627 AD, before the last treaty of the province.