Sybrand Jacobus van Dyk
Sybrand was born about 1873.  He died before 1974.

 Catharina Zacharia Maartens
Catharina was born on December 3rd, 1873 and her baptism took place on March 15th, 1874 in Barkley East.  She died before 1974.

 Aletta Johanna van Dyk (Magdalena)
Aletta was born on January 27th, 1894 and her baptism took place on March 25th, 1894 in Cedarville.

 Martha Johanna van Dyk
Martha was born on July 20th, 1895 and her baptism took place on October 6th, 1895 in Cedarville.

 William Abraham van Dyk
William was born on October 26th, 1898 and her baptism took place on February 23rd, 1899 in Christ Church, Fordsburg and Mayfair, Johannesbur.

 Sybrand Jacobus van Dyk
Sybrand was born on April 26th, 1904 and his baptism took place on September 11th, 1904 in Cedarville.

 Joachim Hendrik van Dyk
Joachim was born on December 23rd, 1905 and his baptism took place on April 29th, 1906 in Cedarville.

 Prof David Frederik van Dyk
David was born on March 5th, 1913 and his baptism took place on June 22nd, 1913 in Cedarville.  He died at the age of 61 on December 20th, 1974 in Bloemfontein.