Yamada Nagamasa had visited Japan in 1629…

Yamada Nagamasa had visited Japan in 1629 with an embassy from King Songtham, who had died shortly after his departure.

Having fought successfully for Ayuttahya, he is finally nominated Lord of Ligor (modern Nakhon Si Thammarat), in the southern peninsula in 1630, accompanied by three hundred samurai.

Becoming involved in the succession war following the death of Songtham, Yamada is wounded in combat in 1630, then apparently poisoned through his wound, which leads to his death.

Following Yamada's death in 1630, the usurper Prasat Thong sends an army of four thousand soldiers to destroy the Japanese settlement in Ayutthaya, but many Japanese manage to flee to Cambodia.