CC Ādi 12.19

śrī-gopāla-nāme āra ācāryera suta
tāṅhāra caritra, śuna, atyanta adbhuta
Synonyms: 
śrī-gopāla — Śrī Gopāla; nāme — by the name; āra — another; ācāryera — of Advaita Ācārya; suta — son; tāṅhāra — his; caritra — character; śuna — hear; atyanta — very; adbhuta — wonderful.
Translation: 
Śrī Gopāla was another son of Śrī Advaita Ācārya Prabhu. Now just hear about his characteristics, for they are all very wonderful.
Purport: 

As mentioned above, Śrī Gopāla was one of the three devoted sons of Advaita Ācārya. He is further described in the Madhya-līlā of Caitanya-caritāmṛta, chapter twelve, texts 143 through 149.