Pitṛgaṇa-Vibhāga (Classification of the Pitṛs) and the Śrāddha–Soma Nourishment Cycle
आज्यपा नाम पितरः कर्दमस्य प्रजा पतेः / समुत्पन्नस्य पुलहादुत्पन्नास्तस्य ते सुताः
ājyapā nāma pitaraḥ kardamasya prajā pateḥ / samutpannasya pulahādutpannāstasya te sutāḥ
The Pitṛs known as Ājyapā belong to Prajāpati Kardama; born from Pulaha, they are spoken of as his sons.