Yes, but if he is convicted, even posthumously, his ill-gotten gains will be at risk.  Zuma is many things, but he is also a family man.  They say that, as we get older, we get more concerned with what we will leave behind; our legacy.  Zuma is determined to leave behind lots and lots and lots of resources to his descendants, to keep building the empire of the Zuma clan.

After all, even he did not fight apartheid to be poor, or to leave his family living like anything less than the royalty they see themselves to be.