He caused his son to be executed. Shortly afterwards, a prey to remorse , he himself died, about the end of 1610.
To judge by Siamese records, one might form rather a high opinion of King Ekat’otsarot, but contemporary foreign writers represent him as an odious man, cruel, greedy and suspicious.
King Ekat’osarot was succeeded by Prince Int’araja, one of his sons by an inferior wife. This Prince had for some time been a Buddhist priest, and bore the name of P’ra Wimon T’am ( Vimaladhamma). He is usually know as King Songt’am-the Just king.
The new King’s first act was to order the execution of P’ya Nai Wai, whom he regarded as responsible for the death of Prince Sut’at. Two hundred and eighty Japanese were among the adherents of P’ya Nai Wai. They at once rebelled, forced their way into the King’s private apartments, and compelled him to sign in his own blood and ignominious treaty accepting all the conditions which they saw fit to impose. These included the surrender of four prominent official privileges, and the delivery to the insurgents of some of the chief priests as security for the performance of the King’s promises. The unfortunate officials, on being surrendered to the Japanese, were immediately massacred.
The Japanese then sacked the town of Ayut’ia, and “ so departed with great treasure, after much violence.” They proceeded to P’etchaburi, where their leader set himself up almost like an independent King.
The confusion into which the Kingdom had been thrown by the excesses of the Japanese was further aggravated by an invasion of the King of Luang P’rabang, P’rawongsa. The Luang P’rabang army advanced as far as Lopburi, their ostensible object being to expel the Japanese. King Songt’am was not to be imposed upon by this pretext. He managed to collect a large army, and first attacked the Japanese at P’etchaburi, driving them out of that stronghold. He then , on April 5, 1612, gave battle to the Luang P’rabang force and defeated them. The whole Luang P’rabang army fled in disorder, and King Wongsa himself narrowly escaped capture. He was force to abandon his elephant, which fell into the hands of the Siamese, but he managed to flee on horseback.
It would appear that the “ Just King” did not repudiate entirely the promise which he had made, under duress, to the Jepanese. They were not all expelled from the Kingdom, and later in this reign we find that a Japanese body-guard was still employed in the place