Śrī Caitanya Caritamrta · Text Ādi 2.109
সেই কৃষ্ণ অবতারী ব্রজেন্দ্রকুমার ।
আপনে চৈতন্যরূপে কৈল অবতার ॥ ১০৯ ॥
sei kṛṣṇa avatārī vrajendra-kumāra
āpane caitanya-rūpe kaila avatāra
That same Lord Kṛṣṇa, the fountainhead of all incarnations, is known as the son of the King of Vraja. He has descended personally as Lord Śrī Caitanya Mahāprabhu.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.