Genesis 25:19

19 And these [are] the generations of Isaac, Abraham's son: Abraham begat Isaac:

Genesis 25:19 Meaning and Commentary

Genesis 25:19

And these [are] the generations of Isaac, Abraham's son
Moses, having given the genealogy of Ishmael and his posterity, returns to Isaac, the other son of Abraham, with whom and his children the following part of his history is chiefly, if not altogether concerned: Abraham begat Isaac;
for the further confirmation of his being his proper legitimate son this clause is added.

Genesis 25:19 In-Context

17 And these [are] the years of the life of Ishmael; a hundred and thirty and seven years: and he expired and died, and was gathered to his people.

18 And they dwelt from Havilah to Shur, that [is] before Egypt, as thou goest towards Assyria: [and] he died in the presence of all his brethren.

19 And these [are] the generations of Isaac, Abraham's son: Abraham begat Isaac:

20 And Isaac was forty years old when he took Rebekah to wife, the daughter of Bethuel the Syrian of Padan-aram, the sister to Laban the Syrian.

21 And Isaac entreated the LORD for his wife, because she [was] barren: and the LORD was entreated of him, and Rebekah his wife conceived.