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Family name 叡 (叡 , 예
, Ruì) , throughout the world, is quite a rare last name. The cognomen 叡 is characteristic of Eastern Asia, particularly South Korea, where it is quite a rare surname, and China, where it is a very rare surname. Much less frequently, 叡 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 叡 | China |
| 예 | South Korea |