Chairachathirat
| Chairachathirat ไชยราชาธิราช | |||||
|---|---|---|---|---|---|
| King of Ayutthaya | |||||
| King of Siam | |||||
| Reign | 1534–1546 | ||||
| Predecessor | Ratsadathirat | ||||
| Successor | Yotfa | ||||
| Died | 1546 | ||||
| Spouse | Chitwadi Sri Sudachan | ||||
| Issue | Yotfa Sisin | ||||
| 
 | |||||
| House | Suphannaphum Dynasty | ||||
Chairachathirat (Thai: ไชยราชาธิราช, Jaiyarājādhirāja), or Chai: 37 reigned 1534–1546 as King of the Ayutthaya kingdom of Siam. His reign was remarkable for the influx of Portuguese traders, mercenaries, and early Modern warfare technology.