Genesis 19:34
And it came to pass on the morrow, that the firstborn said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, and lie with him, that we may preserve seed of our father.
Cross-reference
Jeremiah 6:15
Parallel
Jeremiah 6:15 condemns those who commit abomination without shame, unable to blush — the same brazenness the firstborn daughter displays in repeating this act unashamed.
Jeremiah 8:12
Parallel
Jeremiah 8:12 likewise condemns the shameless who commit abomination without blushing — echoing the boldness with which this sin is deliberately repeated here.
Isaiah 3:9
Parallel
Isaiah 3:9 says Judah parades its sin 'like Sodom' — the older daughter's brazen proposal here exemplifies the unashamed boldness Sodom became known for.