Genesis 18:9
And they said unto him, Where is Sarah thy wife? And he said, Behold, in the tent.
Cross-references
Genesis 4:9
Parallel
In Genesis 4:9, the Lord asks Cain the same 'Where is...?' question about Abel. Abraham answers honestly while Cain deflects — both are tested by divine inquiry.
Genesis 24:67
Parallel
In Genesis 24:67, Isaac brings Rebekah into Sarah's tent — the same tent where Sarah herself is found here, linking the two matriarchs through this dwelling.
Hebrews 11:9
Allusion
Hebrews 11:9 notes Abraham lived in tents as a stranger — Sarah being found 'in the tent' here reflects that same pilgrim life of faith.