Genesis 24:60
And they blessed Rebekah, and said unto her, Thou art our sister, be thou the mother of thousands of millions, and let thy seed possess the gate of those which hate them.
Cross-reference
Genesis 17:16 promises Sarah will be 'mother of nations' with kings from her line — the same blessing themes now extended to Rebekah.
Genesis 22:17 contains the same promise of offspring possessing enemies, which this blessing echoes as part of God's covenant with Abraham.
Genesis 28:3's blessing for Jacob to be 'fruitful' and become 'a community of peoples' directly echoes the language blessing Rebekah.
Genesis 1:28's creation mandate to 'be fruitful and multiply' echoes in this blessing, linking Rebekah's destiny to God's original design for humanity.
Genesis 25:23 reveals the fate of Rebekah's offspring, expanding on the blessing's promise of possessing enemies.
Genesis 9:1 reiterates the post-flood blessing of fruitfulness and multiplication — the same pattern invoked in blessing Rebekah.
Ruth 4:11 blesses Ruth to be like Rachel and Leah who 'built up Israel' — a wedding blessing invoking matriarchs and multiplication.