Die Cruywagens van Suid-Afrika : 'n genealogiese en kultuurhistoriese ondersoek, 1690-1806 / Willem Adriaan Cruywagen*(Thesis (Ph.D. (History))--North-West University, Vaal Triangle Campus, 2004.)
'n OUDMINISTER en oudadministrateur van die Transvaal
↑ "South Africa, Dutch Reformed Church Registers (Cape Town Archives), 1660-1970 ," database with images, FamilySearch (https://familysearch.org/pal:/MM9.3.1/TH-267-11116-195100-28?cc=1478678 : 21 May 2014), South Africa > Cape of Good Hope > Cape Town > Baptisms 1757-1779 > image 127 of 145; State Archives, Cape Province. Seen and added by Gordon Mac Rae 28 Nov, 2016.
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DNA Connections
It may be possible to confirm family relationships with Jan by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: