CHĀNDOGYA UPANISHAD · 3.11.4

तद् धैतद् ब्रह्मा प्रजापतय उवाच ।
प्रजापतिर् मनवे ।
मनुः प्रजाभ्यः ।
तद् धैतद् उद्दालकायारुणये ज्येष्ठाय पुत्राय पिता ब्रह्म प्रोवाच ॥

tad dhaitad brahmā prajāpataya uvāca ।
prajāpatir manave ।
manuḥ prajābhyaḥ ।
tad dhaitad uddālakāyāruṇaye jyeṣṭhāya putrāya pitā brahma provāca ॥

This doctrine (beginning with III, 1, 1) Brahman (m. Hiranyagarbha) told to Pragâpati (Virâg), Pragâpati to Manu, Manu to his offspring (Ikshvâku, &c.) And the father told that (doctrine of) Brahman (n.) to Uddâlaka Âruni.

F. Max Müller · The Upanishads, Sacred Books of the East 1 (1879)