Here are some statistics concerning the surname Ruygrok 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: 5220e6cdf366074fb336419ead5ddf0c SHA1 Code: 6ae60861897590773ed539afdd814bdf669cc504