Family tree M. Tolsma » Sources »
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0   - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Willem Petrus Joubert, person ID M227-VZC.
- FamilySear
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0   - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Willem Petrus Joubert, person ID M227-VZC.
- FamilySearch Family Tree (http://www.familysearch.org) - "FamilySearch," database, \i FamilySearch\i0   - The Church of Jesus Christ of Latter-day Saints - accessed 27 Jun 2016), entry for Willem Adriaan Joubert, person ID LZKN-QZT.

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• Baptism of Willem Petrus Joubert (April 9, 1780)
• Baptism of Willem Petrus Joubert (April 9, 1780)

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