One verse

Srimad Bhagavatam 6.6.8

6.6.8

मरुत्वांश्च जयन्तश्च मरुत्वत्या बभूवतु: । जयन्तो वासुदेवांश उपेन्द्र इति यं विदु: ॥ ८ ॥

marutvams ca jayantas ca marutvatya babhuvatuh jayanto vasudevamsa upendra iti yam viduh

marutvan
Marutvan
ca
also
jayantah
Jayanta
ca
and
marutvatyah
from Marutvati
babhuvatuh
took birth
jayantah
Jayanta
vasudeva-amsah
an expansion of Vasudeva
upendrah
Upendra
iti
thus
yam
whom
viduh
they know.

The two sons who took birth from the womb of Marutvati were Marutvan and Jayanta. Jayanta, who is an expansion of Lord Vasudeva, is known as Upendra.