CC Ādi 12.13

acyutānanda — baḍa śākhā, ācārya-nandana
ājanma sevilā teṅho caitanya-caraṇa
Synonyms: 
acyutānanda — Acyutānanda; baḍa śākhā — a big branch; ācārya-nandana — the son of Advaita Ācārya; ājanma — from the very beginning of life; sevilā — served; teṅho — he; caitanya-caraṇa — the lotus feet of Lord Caitanya.
Translation: 
A big branch of Advaita Ācārya was His son Acyutānanda. From the beginning of his life he engaged in the service of the lotus feet of Lord Caitanya.