The Procedure of Sr&ddha1 - Verse 12

Who are these called by the name Pitrs ? Whom shall we worship again ? We have heard that even Devas in heaven worship Pitrs. one’s family. The Grhya Sutras and old Smrtis like Manu and YajAavalkya prescribe the procedure of Sr&ddha which is generally followed in Pur&gas such as A.P. 163.2-42, G.P.I-210, K.P. II. 22.20-62, N.P. Gh. 28., Bd.P.