Johan Coenraad Marnewick, b1 (1785 - 1871) Name Johan Coenraad Marnewick, b1 Families Marnewick family Gender Male Born around 1785 at Oudtshoorn, Kaap, Baptized January 16, 1785 at Kaap, Died April 4, 1871 at Doornfontein Potchefstroom distrik, Noordwes, (around 85 years old) Buried 1871 at ZA