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Surname Plengrat (Plengrat
, เปล่งรัตน์) , in all the world, is a very rare family name. The last name Plengrat is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plengrat | United States, Thailand |
Preeya, Michael, Jittima, Chularatsami, Tanyaporn, and Natthaporn