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Family name Duanjai (Duanjai ) , around the world, is an extremely rare cognomen. Much more frequently, Duanjai is the forename as well as the last name.
VARIANT | COUNTRY |
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Duanjai | United States, Thailand |
Mackey, Somkuea, Aoluknoi, Sornchai, Ongthanawat, and Wattananupong