Main country
Poland
136 people
38.3% of total
Surname
Cwiertnia
355 worldwide · 15 countries
355
Total population
15
Countries
1 in every 22,816,901
Frequency
Rarity
Rare
Dispersion
Regional
Top countries
1
Poland
136
38.3%
2
Germany
71
20%
3
Australia
59
16.6%
4
United States
31
8.7%
5
Brazil
16
4.5%
World distribution
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