"South Africa, Dutch Reformed Church Registers (Cape Town Archives), 1660-1970," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRL9-HNH : 5 August 2017), Gerrit Roos, 16 Jun 1726, Baptism; citing p. , Cape Town, Cape of Good Hope, South Africa, State Archives, Cape Province; FHL microfilm 2,214,107.
eGSSA - The Genealogical Society of South Africa: eGSSA branch, South African Records Transcribed. A selection of historical record transcriptions (http://www.eggsa.org/sarecords/ : accessed 2 Feb 2014), Cape Town Baptisms 1726, Page 34; citing Cape Archives Verbatim copies document VC 605 - Cape Town baptisms 1713-1742, which is a photocopy of the original register, now housed in the Nederduits Gereformeerde Kerkargief, Noordwal-Wes, Stellenbosch, as G1-8/2. This photocopy was made for the Sciences Research Council (HSRC) and a copy was donated to the South African Archives, a copy going to the Cape Town Repository (VC series) and to the Pretoria Repository (where it is part of the FC series). The baptisms cover pages 1 through 191 of this register.
DNA Connections
It may be possible to confirm family relationships with Gerrit by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Gerrit: