Robert was born in 1830.
Electronic copy held by Wits University, Johannesburg, South Africa https://researcharchives.wits.ac.za/uploads/r/historical-papers-research-archive-library-university-of-witwatersrand/6/4/e/64e8adc5324c60c0de66be3700f38594bd6d310de86c11335061cdfb545fc387/AB2073-5-2-2-001-jpeg.pdf
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