Yamada Nagamasa 山田長政
- Born in Suruga (data unknown 1590?)
- Served as palanquin carrier at Numazu castle
- 1611 - journeys to Ayuthia (Siam) on licensed trading ship 朱印船
- Becomes leader of expatriate Japanese in Ayuthia
- 1621 travels back to Japan with Ayuthia emissaries
- Leads militia in favor of his patron in Siamese succession dispute1626 appointed to cabinet post (Oya Senaphimok) by Siamese king Songtham, entrusted with trade with Japan
- 1628 patron dies -- assigned to border commander by king's rival
- 1630 - dies from poison after combat injury against Patani