All around the world, Adelbertus (Adelbertus 
) is a very rare boy's first name. The given name Adelbertus is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare boy's name. Much less frequently, Adelbertus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Adelbertus | Indonesia, Malaysia, Netherlands, United States |
| adelbertus gerbrandsz eggius NL (b. 1554) |
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| adelbertus gertrudis meijs |
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