One verse

Srimad Bhagavatam 10.74.50

10.74.50

वर्णितं तदुपाख्यानं मया ते बहुविस्तरम् । वैकुण्ठवासिनोर्जन्म विप्रशापात् पुन: पुन: ॥ ५० ॥

varṇitaṁ tad upākhyānaṁ mayā te bahu-vistaram vaikuṇṭha-vāsinor janma vipra-śāpāt punaḥ punaḥ

varṇitam
related
tat
that
upākhyānam
account
mayā
by me
te
to you
bahu
much
vistaram
in detail
vaikuṇṭha-vāsinoḥ
of the two residents of the eternal kingdom of God (namely, the doorkeepers Jaya and Vijaya)
janma
the material birth
vipra
of brāhmaṇas (the four Kumāras)
śāpāt
due to the curse
punaḥ punaḥ
again and again

I have already described to you in detail the history of the two residents of Vaikuṇṭha who had to undergo repeated births in the material world because of being cursed by brāhmaṇas.