וַתֵּ֨רֶא שָׂרָ֜ה אֶֽת־בֶּן־הָגָ֧ר הַמִּצְרִ֛ית אֲשֶׁר־יָלְדָ֥ה לְאַבְרָהָ֖ם מְצַחֵֽק׃
And Sarah saw the son of Hagar the Egyptian, whom she had borne unto Abraham, making sport.
Targum Jonathan on Genesis
And Sarah observed the son of Hagar the Mizreitha, whom she bare to Abraham, mocking with a strange worship, and bowing to the Lord.
Targum Jerusalem
And Sarah observed the son of Hagar the Mizreitha, whom she bare to Abraham, doing evil works which are not fitting to be done, mocking in a strange worship.