Cognomen Kellij (Kellij 
) , in the entire world, is a very rare family name. The surname Kellij is habitual in Netherlands, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Kellij is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kellij | United Kingdom, Brazil, Netherlands |
| sanne kellij researcher |
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