HEESE, J., & LOMBARD, R. T. J. (1999). Suid-Afrikaanse geslagregisters Dl. 5, Dl. 5. Suid-Afrikaanse Geslagregisters. Stellenbosch, Genealogiese Instituut van Suid-Afrika.
↑ 1.01.11.21.3 Nederduits Gereformeerde Gemeente (NGK), Tulbagh, Baptism register, 1743 to 2 Feb 1800, page 314, entry number 27. Repository: NG Kerkargief, Noordwal-Wes, Stellenbosch, G4 7/1. Entered by Wynand van der Walt, Mar 9, 2014.
↑ 2.02.12.2 Nederduits Gereformeerde Gemeente (NGK), Tulbagh, Western Cape. marriage register, 1744-1839, page 143, entry no 16. Entered by Wynand van der Walt, Mar 9, 2014.
DNA Connections
It may be possible to confirm family relationships with Willem Fredrik by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA test-takers in his direct paternal line.
Mitochondrial DNA test-takers in the direct maternal line:
Andries Jacobus Petrus born about 1839 https://www.familysearch.org/ark:/61903/1:1:QP34-4VFH