Agniveshyagrihyasutra 3.7.4.17

3.7.4.17

tayoryaḥ pūrvo mriyeta tasyāgnitretayā yajñapātraiśca pitṛmedhaḥ yaḥ paścāt tasyaupāsanena \

Of the two, whoever dies first, their ancestor-rite is performed with the triad of fires and sacrificial vessels; whoever [dies] later, theirs is performed with the domestic fire.