Parallel
Genesis 21:2
Westminster Leningrad Codex · Berean Standard Bible
וַתַּהַר֩ וַתֵּ֨לֶד שָׂרָ֧ה לְאַבְרָהָ֛ם בֵּ֖ן לִזְקֻנָ֑יו לַמּוֹעֵ֕ד אֲשֶׁר־ דִּבֶּ֥ר אֹת֖וֹ אֱלֹהִֽים׃
So Sarah conceived and bore a son to Abraham in his old age, at the very time God had promised.