CC Madhya 1.193

brāhmaṇa-jāti tārā, navadvīpe ghara
nīca-sevā nāhi kare, nahe nīcera kūrpara
Synonyms: 
brāhmaṇa-jāti — born in a brāhmaṇa family; tārā — they; navadvīpe — the holy place of Navadvīpa-dhāma; ghara — their house; nīca-sevā — service to degraded persons; nāhi — not; kare — do; nahe — not; nīcera — of low persons; kūrpara — an instrument.
Translation: 
“The brothers Jagāi and Mādhāi belonged to the brāhmaṇa caste, and their residence was in the holy place of Navadvīpa. They never served low-class persons, nor were they instruments to abominable activities.