One verse

Srimad Bhagavatam 9.15.12-13

9.15.12-13

सा चाभूत् सुमहत्पुण्या कौशिकी लोकपावनी । रेणो: सुतां रेणुकां वै जमदग्निरुवाह याम् ॥ १२ ॥ तस्यां वै भार्गवऋषे: सुता वसुमदादय: । यवीयाञ्जज्ञ एतेषां राम इत्यभिविश्रुत: ॥ १३ ॥

sa cabhut sumahat-punya kausiki loka-pavani renoh sutam renukam vai jamadagnir uvaha yam tasyam vai bhargava-rseh suta vasumad-adayah yaviyan jajna etesam rama ity abhivisrutah

sa
she (Satyavati)
ca
also
abhut
became
sumahat-punya
very great and sacred
kausiki
the river by the name Kausiki
loka-pavani
purifying the whole world
renoh
of Renu
sutam
the daughter
renukam
by the name Renuka
vai
indeed
jamadagnih
Satyavati’s son, Jamadagni
uvaha
married
yam
whom
tasyam
in the womb of Renuka
vai
indeed
bhargava-rseh
by the semen of Jamadagni
sutah
sons
vasumat-adayah
many, headed by Vasuman
yaviyan
the youngest
jajne
was born
etesam
among them
ramah
Parasurama
iti
thus
abhivisrutah
was known everywhere

Satyavati later became the sacred river Kausiki to purify the entire world, and her son, Jamadagni, married Renuka, the daughter of Renu. By the semen of Jamadagni, many sons, headed by Vasuman, were born from the womb of Renuka. The youngest of them was named Rama, or Parasurama.