Here are some statistics concerning the surname Tverdon and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.0004%
Approximate number of South Africans that have this surname: 208 MD5 Code: 1effa89a9783ac853292de10d6af6efa SHA1 Code: f95615acf07242e814e28db52685ab63cae54643