In the entire world, Petroniu (Petroniu 
, بترونيوس) is an extremely rare masculine first name. Much more frequently, Petroniu is the last name as well as the forename.
| petroniu tănase Romanian Orthodox priest, GR (b. 1914) |
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| petroniu florea RO (b. 1965) |
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| petroniu doina Ph.D. University of Bucharest 1980 |
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