gnostek1 / 2Family tree of Ban Chao.
- 01Heqin treaties required the Han court to send a princess, silk bolts, grain, and wine to the Xiongnu khan annually.
- 02When no true princess was available, court ladies or even servants were given the title 'princess' and dispatched north.
- 03The policy lasted roughly 130 years before Emperor Wu finally chose war — and spent decades and tens of thousands of lives reversing it.