Śrī Caitanya Caritamrta · Text Ādi 11.43
বিষ্ণুদাস, নন্দন, গঙ্গাদাস,—তিন ভাই ।
পূর্বে যাঁর ঘরে ছিলা ঠাকুর নিতাই ॥ ৪৩ ৷৷
viṣṇudāsa, nandana, gaṅgādāsa — tina bhāi
pūrve yāṅra ghare chilā ṭhākura nitāi
Another important devotee of Lord Nityānanda Prabhu was Viṣṇudāsa, who had two brothers, Nandana and Gaṅgādāsa. Lord Nityānanda Prabhu sometimes stayed at their house.
Read Śrīla Prabhupāda's purport on Vedabase.io