On Terry Sole's book (p. 55) he lists members of the Buffalo Border Guard but without any footnotes. There are several errors in their names and identities and although I've been able to correct most of them, several have defied any attempt to verify or corroborate their forenames and domiciles.
Robert Money of Langfontein, Helpmekaar
William Haines of Biggarsberg
William Hepburn of Craigside
John Pettigrew of Biggarsberg
Carl Posselt of Redbank, Dundee
Dirk Coetzee of Gladstone, Dundee
Pieter De Waal of Carolina, Ngisana
Jack / Andrew Lennox of Cotswold, Dundee
Talana Museum has been unable to help. If anyone is able to confirm their forenames I'd be very grateful to hear of it with sources.