Jan Cornelis Witvliet was born in Middelharnis, Holland, on 26 March 1872. His parents are Neeltje van Tol and Jan Witvliet. Father Jan was born on 7 February 1846 in Middelharnis as son of Mattheus Witvliet (1821-1884) and his wife Jannetje de Bloeme (1823-1892).
Jan Cornelis had siblings named Mattheus, Adriaantje and Arend Witvliet. These children's father, Jan Witvliet, at the young age of 32, on 21 June 1878 in Rotterdam, when Jan Cornelis was 6 years old. Neeltje van Tol was a widow at the age of 32.
On 25 February 1880 in Rotterdam Neeltje van Tol remarried. The groom was 30-year-old Richard Ernst Sylvester Schneider. He was born on 31 December 1849 in Frankfurt an der Oder in Germany. His parents are Ernst Carl Schneider and Rozalie Emilie Friederike Messer. Thus, 7-year old Jan Cornelis Witvliet and his siblings had a stepfather.
As an adult, Jan Cornelis Witvliet was a stoker, tending the fire for the running of the steam engine of a ship. He married Antje Groenewoud on 27 December 1894 in Rotterdam. The bride was born on 14 December 1866 in Amsterdam as daughter of Johannes Wilhelmus Groenewoud and Lijsje Beth.
Jan Cornelis Witvliet and his wife Antje had a son Richard Ernst Silvester Witvliet, born on 29 March 1896 in Amsterdam. The baby was named after his father's stepfather. Another son, Johannes Wilhelmus Witvliet, was born in Rotterdam on 28 March 1898.
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| Dutch translation of the death certificate of Jan Cornelis Witvliet as registered on 7 July 1899 in Rotterdam |
Jan Cornelis Witvliet died on 24 June 1899, between 12 and 1 o'clock in the morning, on the River Rhine near Mainz in Germany. His stepfather, Richard Ernst Silvester Schneider died, at the age of 53, on 22 November 1903 in Rotterdam. His widow, Antje Groenewoud, died in Amsterdam in August 1941, at the age of 74.
Her eldest son, Richard Ernst Silvester Witvliet, married Maria Margaretha Farber, and emigrated to South-Africa. They had a son named Boudewijn Egbert Richard Witvliet.








