द्वया ह प्राजापत्या देवाश्चासुराश्च ततः कानीयसा एव देवा ज्यायसा
In plain words
The descendants of Prajāpati were of two kinds, the gods and the asuras. Among them, the gods were indeed the younger, and the asuras the elder.
Close to the Sanskrit
Twofold indeed were the descendants of Prajāpati, the gods and the asuras. Then the gods indeed were younger, the [asuras] elder.