trayodaśe mahāprabhura 'janma-vivaraṇa'
kṛṣṇa-nāma-saha yaiche prabhura janama
trayodaśe—in the Thirteenth Chapter; mahāprabhura—of Lord Śrī Caitanya Mahāprabhu; janma—of the birth; vivaraṇa—the description; kṛṣṇa-nāma-saha—along with the holy name of Lord Kṛṣṇa; yaiche—in what way; prabhura—of the Lord; janama—the birth.
The Thirteenth Chapter describes the birth of Śrī Caitanya Mahāprabhu, which took place with the chanting of the holy name of Kṛṣṇa.
Link to this page: https://prabhupadabooks.com/cc/adi/17/325