Here are some statistics concerning the surname Ostertag and a list of some of the the most common names in South Africa that contain it.
Frequency: 0.0002%
Approximate number of South Africans that have this surname: 104 MD5 Code: 234e198759f887fc2e56d3b4c78f02d0 SHA1 Code: 01997d191b46f175afe51fa7aae1d92e9d73b926