Verses with the word whelp in the Old Testament (3 verses):

Genesis 49:9
Judah is a lion's whelp: from the prey, my son, thou art gone up: he stooped down, he couched as a lion, and as an old lion; who shall rouse him up?

Deuteronomy 33:22
And of Dan he said, Dan is a lion's whelp: he shall leap from Bashan.

Nahum 2:11
Where is the dwelling of the lions, and the feedingplace of the young lions, where the lion, even the old lion, walked, and the lion's whelp, and none made them afraid?