After that the eater of sacrificial libations, viz., the god of fire, adopted of Angirasa. Hence, all the children of Angirasa are known as belonging to the race of Agni.
जग्राहाङ्गिरसं देवः शिखी तस्माद्हताशनः। तस्मादाङ्गिरसा ज्ञेयाः सर्व एव तदन्वयाः॥