I tired upload source but it went to media 🤦‍♀️ Sorry hope someone can fix what I did.
FamilySearch:
Elizabeth Geertruyda HAVENGA
https://www.familysearch.org/tree/person/L5L7-X2F
Name: Douw Gert van Wyk
Event Type: Marriage
Event Date: 1 Jun 1898
Event Place (Original): Christiana, Bloemhof
Gender: Male
Age: 28
Birth Year (Estimated): 1870
Spouse's Name: Elizabeth Gertruida Havenga
Spouse's Gender: Female
Spouse's Age: 16
Spouse's Birth Year (Estimated): 1882
Digital Folder Number: 007748004
Image Number: 01563
Record Number: 0
Citing this Record
"South Africa, Transvaal, Civil Marriages, 1870-1930," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QPHG-8T6N : 27 September 2019), Douw Gert van Wyk and Elizabeth Gertruida Havenga, Christiana, Bloemhof; citing Marriage, , NARS "Civil registration (marriages - coloureds), Transvaal and Swaziland, 1898-1927." The National Archives and Records Service of South Africa, Pretoria.