Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 29
Sanskrit:
असौ वृकोदर: पार्थस्तस्य भ्रातार्जुनो ह्ययम् ।अनयोर्मातुलेयं मां कृष्णं जानीहि ते रिपुम् ॥ २९ ॥
ITRANS:
asau vṛkodaraḥ pārthastasya bhrātārjuno hy ayamanayor mātuleyaṁ māṁkṛṣṇaṁ jānīhi te ripum
Translation:
Over there is Bhīma, son of Pṛthā, and this is his brother Arjuna. Know Me to be their maternal cousin, Kṛṣṇa, your enemy.