One verse

Srimad Bhagavatam 4.13.32

4.13.32

तथा साधय भद्रं ते आत्मानं सुप्रजं नृप । इष्टस्ते पुत्रकामस्य पुत्रं दास्यति यज्ञभुक् ॥ ३२ ॥

tatha sadhaya bhadram te atmanam suprajam nrpa istas te putra-kamasya putram dasyati yajna-bhuk

tatha
therefore
sadhaya
execute the sacrifice to get
bhadram
good fortune
te
to you
atmanam
your own
su-prajam
good son
nrpa
O King
istah
being worshiped
te
by you
putra-kamasya
desiring to have a son
putram
a son
dasyati
He will deliver
yajna-bhuk
the Lord, the enjoyer of the sacrifice.

O King, we wish all good fortune for you. You have no son, but if you pray at once to the Supreme Lord and ask for a son, and if you execute the sacrifice for that purpose, the enjoyer of the sacrifice, the Supreme Personality of Godhead, will fulfill your desire.