SB 10.90.45

teṣāṁ pramāṇaṁ bhagavān
 prabhutvenābhavad dhariḥ
ye cānuvartinas tasya
 vavṛdhuḥ sarva-yādavāḥ
Synonyms: 
teṣām — for them; pramāṇam — authority; bhagavān — Lord Kṛṣṇa; prabhutvena — on account of His being the Supreme Personality of Godhead; abhavat — was; hariḥ — Lord Hari; ye — they who; ca — and; anuvartinaḥ — personal associates; tasya — His; vavṛdhuḥ — prospered; sarva — all; yādavāḥ — the Yādavas.
Translation: 
Because Lord Kṛṣṇa is the Supreme Personality of Godhead, the Yādavas accepted Him as their ultimate authority. And among them, all those who were His intimate associates especially flourished.