Cognomen ปิยะสกุลแก้ว (ปิยะสกุลแก้ว, Piyasakulkaew 
) , throughout the world, is a very rare last name. The family name ปิยะสกุลแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| โฆษวิส ปิยะสกุลแก้ว Thai actor, TH (b. 1982) |
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