[GAIUS libro quinto ad edictum prouinciale. ] §4.8.6.prQuin etiam de re patris dicitur filium familias arbitrum esse posse: nam et iudicem eum esse posse plerisque placet.
[GAIUS in his fifth book on the Provincial Edict.] Furthermore, it is said that a son under paternal power can be an arbiter even in a matter concerning his father: for it is agreed by most authorities that he can also be a judge.