Jatakaparijata 9.53

9.53

pitāmahaścaturthe tu mātā naśyati pañcame |
ṣaṣṭhe tu mātṛbhaginī saptame mātulastathā ||

in the fourth, the paternal grandfather; in the fifth, the mother perishes; / in the sixth, the maternal aunt; and in the seventh, the maternal uncle;