His brother Georg arrived in Cape Town in May 1834 and was granted a medical licence, joining the other members of the family at "Lichtenstein" in July. Much work went into building up the farm after it had been through the Sixth Kaffir War of 1834/5. Krebs' letters about the war survive. Georg set up a practice in Graaff-Reinet, later becoming District Surgeon. Krebs' partner Leopold Scmidt died in July 1836 and Krebs disposed of all his Grahamstown interests, but continued dispensing from the farm.