One verse

Srimad Bhagavatam 9.18.31

9.18.31

विलोक्यौशनसीं राजञ्छर्मिष्ठा सुप्रजां क्‍वचित् । तमेव वव्रे रहसि सख्या: पतिमृतौ सती ॥ ३१ ॥

vilokyausanasim rajan charmistha suprajam kvacit tam eva vavre rahasi sakhyah patim rtau sati

vilokya
by seeing
ausanasim
Devayani, the daughter of Sukracarya
rajan
O King Pariksit
sarmistha
the daughter of Vrsaparva
su-prajam
possessing nice children
kvacit
at some time
tam
him (King Yayati)
eva
indeed
vavre
requested
rahasi
in a secluded place
sakhyah
of her friend
patim
the husband
rtau
at the appropriate time
sati
being in that position.

O King Pariksit, upon seeing Devayani with a nice son, Sarmistha once approached King Yayati at the appropriate time for conception. In a secluded place, she requested the King, the husband of her friend Devayani, to enable her to have a son also.