History of Dharmashastra (Ancient and Mediaeval Religious and Civil Law in India) v4.c63.t2.225

v4.c63.t2.225

(2) Spiritual benefit is conferred on a man by presenting piṇḍa directly to him or by offering piṇḍa to one or more of his paternal ancestors to whom he presents piṇḍas during his own life time and with whom he participates in piṇḍas offered after his death by others or by offering a piṇḍa to one or more of his maternal ancestors (mother's father, mother's father's father and the latter's father) to whom he was bound to offer piṇḍas during his life (but with whom he does not participate in the piṇḍa offered to them¹⁴³²).