וְאֵ֛לֶּה תּוֹלְדֹ֥ת יִצְחָ֖ק בֶּן־אַבְרָהָ֑ם אַבְרָהָ֖ם הוֹלִ֥יד אֶת־יִצְחָֽק׃
A oto rodowód Ic'haka, syna Abrahama: Abraham spłodził Ic'haka.
Pri HaAretz
"And these are the generations of Isaac the son of Abraham". Rashi of blessed memory explains "Jacob and Esav, those mentioned in the Section."