Ramayana
पुत्रश्च तव देवेन्द्र न विनष्टो महारणे । नीतः सन्निहितश्चैव आर्यकेण महोदधौ ॥ 7-30-49 ॥
And your son, O Indra, was not destroyed in the great battle; he was carried off and kept safe by his maternal grandfather within the great ocean.
english translation