Board Thread:Warhammer 40k General Discussion/@comment-18016240-20140707161751/@comment-25149066-20140708203428

Karne was not the oldest because even though he was Terran born he was recruited into the Warhounds a tad later than it's founding after their blood thirsty culture was established.

Hard to say the oldest because again there are still many living Unification War Terran Born Chaos SMs in various states of health (or decay).