Agnipurana 115.64

115.64

pitṛvaṃśe sutā ye ca mātṛvaṃśe tathaiva ca /
guruśvaśurabandhūnāṃ ye cānye bāndhavā mṛtāḥ //

And the sons who are in the paternal lineage and likewise in the maternal lineage, / and the other deceased kinsmen of teachers, fathers-in-law, and friends;