Matsya Purana — How Śrāddha Offerings Reach the Ancestors
*सूत उवाच वसून्वदन्ति च पितॄन् रुद्रांश्चैव पितामहान् प्रपितामहांस्तथादित्यान् इत्येवं वैदिकी श्रुतिः //
*sūta uvāca vasūnvadanti ca pitṝn rudrāṃścaiva pitāmahān prapitāmahāṃstathādityān ityevaṃ vaidikī śrutiḥ //
Sūta said: “The Vedic revelation (śruti) speaks in this way: it calls the Vasus the Pitṛs (ancestral fathers), the Rudras the grandfathers, the Ādityas the great‑grandfathers, and so on.”
This verse does not discuss Pralaya directly; it preserves a Vedic-style cosmological mapping that links divine classes (Vasus, Rudras, Ādityas) to ancestral generations used in ritual and lineage thought.
By identifying Pitṛ-generations through Vedic categories, it supports correct ancestral rites (śrāddha/tarpaṇa). For householders—and kings as exemplars—performing Pitṛ rites in the proper framework is a core dharma tied to family continuity and social order.
The significance is ritual rather than architectural: it gives a doctrinal basis for addressing ancestors by generational level in śrāddha and related offerings, aligning Pitṛ-invocation with Vedic cosmological groupings.