One verse

Srimad Bhagavatam 9.8.3

9.8.3

वृद्धं तं पञ्चतां प्राप्तं महिष्यनुमरिष्यती । और्वेण जानतात्मानं प्रजावन्तं निवारिता ॥ ३ ॥

vrddham tam pancatam praptam mahisy anumarisyati aurvena janatatmanam prajavantam nivarita

vrddham
when he was old
tam
him
pancatam
death
praptam
who had obtained
mahisi
the queen
anumarisyati
who wanted to die with him and become sati
aurvena
by the great sage Aurva
janata
understanding that
atmanam
the body of the queen
praja-vantam
bore a son within the womb
nivarita
was forbidden.

Bahuka died when he was old, and one of his wives wanted to die with him, following the sati rite. At that time, however, Aurva Muni, knowing her to be pregnant, forbade her to die.