SB 10.55.2

sa eva jāto vaidarbhyāṁ
 kṛṣṇa-vīrya-samudbhavaḥ
pradyumna iti vikhyātaḥ
 sarvato ’navamaḥ pituḥ
Word for word: 
saḥ — He; eva — indeed; jātaḥ — taking birth; vaidarbhyām — in the daughter of the king of Vidarbha; kṛṣṇa-vīrya — from the seed of Lord Kṛṣṇa; samudbhavaḥ — generated; pradyumnaḥ — Pradyumna; iti — thus; vikhyātaḥ — known; sarvataḥ — in all aspects; anavamaḥ — not inferior; pituḥ — to His father.
Translation: 
He took birth in the womb of Vaidarbhī from the seed of Lord Kṛṣṇa and received the name Pradyumna. In no respect was He inferior to His father.