[MARCIANUS libro tertio regularum. ] §30.1.121.prSi quis legauerit Titio cum Maeuio, et sine altero alter ad legatum admittitur.
[MARCIAN, Rules, Book III] If anyone bequeaths to Titius along with Maevius, even without the one, the other is admitted to the legacy.
nam et cum dicit praetor: 'uentrem cum liberis in possessionem esse iubeo', etsi non sint liberi, uenter in possessionem mittetur.
For also when the praetor says, "I order the unborn child to be in possession along with the children," even if there are no children, the unborn child will be put in possession.