Garudapurana 2.35.2

2.35.2

pitāmahī jīvati ca tathā ca prapitāmahī /
vṛddhaprapitāmahī tadvanmātṛsaktaḥ pitā tathā //

and the paternal grandmother is living, and likewise the paternal great-grandmother, / and the paternal great-great-grandmother as well, and the father is devoted to his mother;