One verse

Srimad Bhagavatam 1.7.38

1.7.38

प्रतिश्रुतं च भवता पाञ्चाल्यै श‍ृण्वतो मम । आहरिष्ये शिरस्तस्य यस्ते मानिनि पुत्रहा ॥ ३८ ॥

pratisrutam ca bhavata pancalyai srnvato mama aharisye siras tasya yas te manini putra-ha

pratisrutam
it is promised
ca
and
bhavata
by you
pancalyai
unto the daughter of the King of Pancala (Draupadi)
srnvatah
which was heard
mama
by Me personally
aharisye
must I bring
sirah
the head
tasya
of him
yah
whom
te
your
manini
consider
putra-ha
the killer of your sons.

Furthermore, I have personally heard you promise Draupadi that you would bring forth the head of the killer of her sons.