Death Notes:  
    He almost certainly died in 1888
  National Archives of South Africa
  DEPOT Genealogical Society of SA DESCRIPTION Knox, A - Gravestone. STARTING 0000 ENDING 18880628 REMARKS Rietvlei Methodist Church Cemetery, Rietvlei, KwaZulu-Natal. SUMMARY + Albert Knox. Died 28-06-1888 in Rietvlei
  And
  National Archives of South Africa
  DEPOT NAB SOURCE MSCE TYPE LEER VOLUME_NO 0 SYSTEM 01 REFERENCE 7/43 PART 1 DESCRIPTION KNOX, ALBERT. STARTING 18880000 ENDING 18890000i 
      
       Sources of information or noted events in his life were: 
    •  Web Based Info. http://www.worldvitalrecords.com/person/Petrus-Alberto-Ryno-van-der-Riet-Otto/152124921-11000108 
    •  Occupation. Farmer. https://familysearch.org/pal:/MM9.3.1/TH-267-11827-73671-57?cc=2063749 
     
      
    Albert married Laura Jacoba Otto, daughter of Petrus Albertus Rijno Otto J. P. and Elizabeth Erasmus, on 16 Sep 1867 in Upper Saxony, Pietermaritzburg, Natal, South Africa.17 (Laura Jacoba Otto was born on 20 Nov 1848,17 died on 1 Mar 1874 17 and was buried in Cape Town, Cape Colony, South Africa.) 
       Sources of information or noted events in their marriage were: 
    •  Web Based Info. https://familysearch.org/pal:/MM9.3.1/TH-267-11827-73671-57?cc=2063749 Witnesses:- C.N.S. Holding? P. Norton Laura Jacoba is recorded as a minor and her father P.Otto consented to the marrigage. 
     
     
     
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