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All over the world, 忠益 (忠益 ) is quite a rare principally masculine, but very infrequently feminine forename. The first name 忠益 is habitual in Eastern Asia, particularly China, where it is a rare predominantly masculine, but very seldom female name. Much less frequently, 忠益 is the last name as well as the forename.
VARIANT | COUNTRY |
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忠益 | China |