| Sources |
- [S57] de Villiers, C.C., revised by Pama, C., Genealogies of Old South African Families, (Published A.A Balkema, Cape Town, 1981 ISBN 0-86961-136-4).
- [S511] Ockert Malan & Lorna Newcomb, Palmkronieke, (Die Genootskap vir die Kerkversameling onder beskerming van Die Kerkraad van die N G Moedergemeente Stellenbosch 2004).
- [S1363] South Africa, Civil Marriage Records, 1840-1973, (familysearch.org), Civil registration (marriages), Cape Province, 1696-1899 Jan Swart and Zacharia Niemand (Reliability: 3).
- [S57] de Villiers, C.C., revised by Pama, C., Genealogies of Old South African Families, (Published A.A Balkema, Cape Town, 1981 ISBN 0-86961-136-4), Entry for Swart (Reliability: 3).
- [S57] de Villiers, C.C., revised by Pama, C., Genealogies of Old South African Families, (Published A.A Balkema, Cape Town, 1981 ISBN 0-86961-136-4), Entry for Geldenhuys (Reliability: 2).
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