CC Madhya 19.33
tumi yaiche taiche chuṭi’ āisa tāhāṅ haite
In his letter to Sanātana Gosvāmī, Śrīla Rūpa Gosvāmī wrote, “We two brothers are starting out to go see Śrī Caitanya Mahāprabhu. You must also somehow or other get released and come meet us.”
The two brothers herein mentioned are Rūpa Gosvāmī and his younger brother, Anupama Mallika. Rūpa Gosvāmī was informing Sanātana Gosvāmī that he should join him and his younger brother.