I seem to recall laboriously working this out....
LE ROUX, FOUCHER, BRUERE CONNECTION
On 31 Dec 1687 Jean & Gabriel le Roux, Philippe Foucher & Anne Souchay, with Estienne Bruere embarked together on the VOC ship Voorschoten to settle at the Cape of Good Hope. The le Roux brothers & Philippe Foucher were 2nd cousins. Philippe Foucher & Estienne Bruere were second cousins. Anne Souchay was the sister of the le Roux brother's sister in law. They all became progenitors of SA lines.
a Jacques Lenoir & Anne Malvault
b1 Claudine Lenoir
x Jean Bourdon, merchant currier of Mer
Anne Bourdon (c1636 - Feb 1693)
x 24 Feb 1658 Pierre le Roux, baliff (b 1 Sep 1623 - 19 Mar 1682)
Pierre le Roux c 1662 x 22 Oct 1686 Elizabeth Souchay (sister of Anne Souchay, who marries Philippe Fouchay)
Jean (c1666 - 1711 Cape of Good Hope)
Gabriel (1669 - 1711 Cape of Good Hope)
b2 Elizabeth Lenoir
x 24 April 1617 Servais Foucher
Bernard Foucher
x Anne Bruere (do Philippe Bruere x 28 April 1619 Anne Belleton) (sister of Estienne Bruere x Suzanne Hillaire - parents of Estienne Bruere)
Philippe Foucher x Anne Souchay
https://sites.google.com/site/lerouxfamiliebond/stamouers/the-le-ro...
http://www.e-family.co.za/ffy/g7/p7510.htm