Throughout the world, Adalbero (Adalbero 
) is a very rare male given name. The first name Adalbero is habitual in Germany, where it is a very rare boy's name, and South Africa. Much less frequently, Adalbero is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Adalbero | Germany, South Africa, Mexico, United States, Brazil |
| adalbero von augsburg DE (b. 900) |
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adalbero ii. CH (b. 950) |
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| adalbero von sachsen (b. 900) |
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adalbero von würzburg Bishop of Würzburg, DE (b. 1010) |
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| adalbero Duke of Carinthia, DE (b. 980) |
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| adalbero ii von ebersberg AT (b. 980) |
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| adalbero iii of luxembourg Bishop of Metz (1047-1072) (b. 1010) |
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| adalbero von luxemburg (b. 1000) |
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| adalbero of styria Margrave of Styria (b. 1100) |
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| adalbero von bremen Roman Catholic archbishop, DE (b. 1100) |
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| adalbero huemer (b. 1868) |
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| adalbero kunzelmann German Augustinian, church musician and author, DE (b. 1898) |
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| adalbero ebelsberger (b. 1889) |
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| adalbero alois raffelsberger AT (b. 1907) |
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| adalbero heussinger DE (b. 1923) |
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Silva, Gomes, Santos, Sierra, Junior, Ndlovu, Colombi, Guimaraes, Fernandes, Sinisterra, Cavalcanti, and Nascimento