[GAIUS libro uicensimo tertio ad edictum prouinciale. ] §50.16.51.prAppellatione 'parentis' non tantum pater, sed etiam auus et proauus et deinceps omnes superiores continentur: sed et mater et auia et proauia.
[GAIUS, on the Provincial Edict, book 23.] Under the term 'parent' are included not only the father, but also the grandfather, the great-grandfather, and successively all ancestors; but also the mother, the grandmother, and the great-grandmother.