This study presents a close examination of how a Sino-Thai lineage, founded by a Chinese immigrant, Khaw Soo Cheang, functioned as a business enterprise over nearly a century and a half, perpetuating itself not only by making key political and economic alliances, but also by securing its fortunes through a family trust. By working within the Thai political orbit and by drawing on ties to the Chinese community, the Khaw family created a tin-mining...