Apāṇḍu (Apandu) is a sage. The vaṃśa (vamsa) of Maharṣi (Maharshi; Great sage) Apāṇḍu (Apagneya) is one of the ṛṣivaṃśa(s)(genealogical or disciple-wise order of sages) belonging to the pravara or gotra (clan) of Maharṣi Aṅgirā (Angira).

Matsyapurāṇa(196.45)