Sybrand Jacobus Klopper

Sybrand's father was Barend Christiaan Klopper and his mother was Elizabeth Catharina Johanna van Dyk.  His paternal grandparents were Jacobus Marthinus Klopper and Jacomina Hendrina Greyling. He had four brothers and a sister, named Andries, Gert, Barend, Jacobus and Engela. He had two half-sisters named Jacomina and Aletta.