Hi,im not sure if it is family of mine,what i can tell you is this,i went to sarel cilliers high school in Glencoe that is about 5km from Dundee,and our head master from 1991-1996 was a Jasper Slabbert,dont know his history but if i remember correct he was in Ladysmith as a child (i think) he passed away in meantime but his wife still lives in Glencoe,could be family of yours....