וַיֹּ֤אמֶר לָהּ֙ מַלְאַ֣ךְ יְהוָ֔ה הַרְבָּ֥ה אַרְבֶּ֖ה אֶת־זַרְעֵ֑ךְ וְלֹ֥א יִסָּפֵ֖ר מֵרֹֽב׃
And the angel of the LORD said unto her: ‘I will greatly multiply thy seed, that it shall not be numbered for multitude.
Find Mishnaic references to Genesis 16:10: passages from the 63 tractates of the Mishnah that cite or discuss this verse, free.