Question: H Pistorius & Co is part of the reason for the wealth of the family that includes which South African sprinter?

Passages:
Ncincilili Titi (born 15 December 1993) is a South African sprinter who competes primarily in the 200 metres events.  He finished fourth at the 2014 African Championships, as well as at the 2015 Summer Universiade. Tamzin Thomas (born 6 October 1997) is a South African sprinter.  She won two medals at the 2015 African Junior Championships. Tsholofelo Thipe (née Selemela) (born 9 December 1986) is a South African sprinter, who specialized in the 400 metres.  She set a personal best time of 51.15 seconds by winning the 400 metres event at the 2009 South African Championships in Stellenbosch.  She was born in Rustenburg, North West Province. Corné du Plessis (born 20 March 1978) is a South African sprinter.  Together with Morne Nagel, Lee-Roy Newton and Mathew Quinn he won a silver medal in 4 x 100 metres relay at the 2001 World Championships in Athletics.  Their time of 38.47 seconds was a South African record.  Earlier in the season he won the bronze medal in the 200 metres at the 2001 Summer Universiade. Oscar Leonard Carl Pistorius OIB ( ; ] ; born 22 November 1986) is a South African sprint runner and convicted murderer.  Both of Pistorius' legs were amputated below the knee when he was 11 months old.  He was the tenth athlete to compete at both the Paralympic Games and Olympic Games, competing in sprint events for below-knee amputees in Paralympic events, and in non-disabled sprint events. Paul Nash (born 1947) is a South African sprinter who tied the 100-metre world record four times in 1968 with a time of 10.0 seconds.  He attended Michaelhouse school in the province of KwaZulu-Natal, South Africa. Pieter Smith (born April 3, 1987 in Upington) is a South African sprinter, who specialized in the 400 metres.  He set his personal best time of 45.63 seconds by winning the 400 metres event at the 2009 South African Championships in Stellenbosch. Justine Palframan (born 4 November 1993) is a South African sprinter specialising in the 200 and 400 metres.  She won the 400 m event at the 2015 Summer Universiade.  She also represented South Africa at the IAAF 2013 World Championships and 2016 Olympics. H Pistorius & Co is a private South African company based in Pretoria, which according to its website is the oldest supplier of agricultural lime in Africa.  The company is also the backbone for the personal wealth of the Pistorius family (one member being Oscar Pistorius). Gordon Raymond Day (born 4 January 1936) is a retired South African sprinter.  He competed at the 1960 Summer Olympics in the 400 metres and 4×400 metres relay events and finished fourth in the relay.  He was part of the South African team that won the 4×440 yards relay at the 1958 British Empire and Commonwealth Games, while finishing third in the individual 220 yards.

Supporting sentences:
 The company is also the backbone for the personal wealth of the Pistorius family (one member being Oscar Pistorius). Oscar Leonard Carl Pistorius OIB ( ; ] ; born 22 November 1986) is a South African sprint runner and convicted murderer.  Both of Pistorius' legs were amputated below the knee when he was 11 months old.