One verse

Srimad Bhagavatam 9.11.11

9.11.11

अन्तर्वत्‍न्यागते काले यमौ सा सुषुवे सुतौ । कुशो लव इति ख्यातौ तयोश्चक्रे क्रिया मुनि: ॥ ११ ॥

antarvatny agate kale yamau sa susuve sutau kuso lava iti khyatau tayos cakre kriya munih

antarvatni
the pregnant wife
agate
arrived
kale
in due course of time
yamau
twins
sa
Sitadevi
susuve
gave birth to
sutau
two sons
kusah
Kusa
lavah
Lava
iti
thus
khyatau
celebrated
tayoh
of them
cakre
performed
kriyah
the ritualistic ceremonies of birth
munih
the great sage Valmiki.

When the time came, the pregnant mother Sitadevi gave birth to twin sons, later celebrated as Lava and Kusa. The ritualistic ceremonies for their birth were performed by Valmiki Muni.