sei nanda-suta — ihaṅ caitanya-gosāñi
sei baladeva — ihaṅ nityānanda bhāi
sei nanda-suta - the same son of Nanda Mahārāja; ihaṅ - now; caitanya-gosāñi - Caitanya Mahāprabhu; sei baladeva - the selfsame Baladeva; ihaṅ - now; nityānanda bhāi - Nityānanda Prabhu, the brother of Śrī Caitanya Mahāprabhu.