Bhaṭṭikāvya 1.25

1.25

prayāsyataḥ puṇya-vanāya jiṣṇo- rāmasya rociṣṇu-mukhasya ghṛṣṇuḥ
trai-māturaḥ kṛtsna-jitā'stra-śastraḥ sadhryaṅ rataḥ śreyasi lakṣmaṇo'bhūt.

As the victorious Rāma of shining countenance set forth for the sacred forest, bold Lakṣmaṇa, / having three mothers, master of all missile weapons and weapons, devoted to virtue, went along with him.