One verse

Srimad Bhagavatam 6.14.38

6.14.38

चित्रकेतोरतिप्रीतिर्यथा दारे प्रजावति । न तथान्येषु सञ्जज्ञे बालं लालयतोऽन्वहम् ॥ ३८ ॥

citraketor atipritir yatha dare prajavati na tathanyesu sanjajne balam lalayato ’nvaham

citraketoh
of King Citraketu
atipritih
excessive attraction
yatha
just as
dare
unto the wife
praja-vati
who begot a son
na
not
tatha
like that
anyesu
unto the others
sanjajne
arose
balam
the son
lalayatah
taking care of
anvaham
constantly.

As King Citraketu fostered his son very carefully, his affection for Queen Krtadyuti increased, but gradually he lost affection for the other wives, who had no sons.