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Cognomen Janshai (จันทร์ฉาย , Janshai
) , in all the world, is quite a rare last name. The cognomen Janshai is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Also, Janshai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันทร์ฉาย | Thailand |
| Janshai | United States, India, Thailand |