He appointed his two grandsons, Caius by Germanicus, and Tiberius by Drusus, joint heirs to his estate; and upon the death of one of them, the other was to inherit the whole.
Needless to say it was Gaius (Caligula) who won that one. His Dad, Germanicus - was a hero of the Roman people....that's why Tiberius did him in. Who'd be a Julio-Claudian?
