Latini Juniani

Caducum is a devise or bequest, valid at Civil law, but vacated by some particular law or statute, such as a legacy to a celibate or Latinus Junianus, in case the former fails within a hundred days to comply with the law [the Lex Papia], or the latter to acquire full citizenship;

Latini quoque qui hereditates legataque directo iure lege Iunia capere prohibentur ex fideicommisso capere possunt.

The original object of trusts was to extend the testator’s bounty to those who were legally incapacitated to be legatees;