[PAULUS libro primo ad Sabinum. ] §28.6.11.prSi is qui heres institutus est filio substitutus sit, nihil oberit ei in substitutione, si tunc capere possit, cum filius decessit.
[PAULUS, Book 1 on Sabinus.] If he who has been instituted heir is substituted to the son, it will be no obstacle to him in the substitution, if he is capable of taking at the time when the son dies.
contra quoque potest poenas in testamento pupilli pati, licet in patris passus non sit.
Conversely also, he can suffer penalties under the testament of the pupil, even though he did not suffer them under that of the father.