Matthew Henry on Genesis 22:20–end
This is recorded here, 1. To show that though Abraham saw his own family highly dignified with peculiar privileges, admitted into covenant, and blessed with the entail of the promise, yet he did not look with contempt and disdain upon his relations, but was glad to hear of the increase and prosperity of their families. 2. To make way for the following story of the marriage of Isaac to Rebekah, a daughter of this family.
Jamieson-Fausset-Brown on Genesis 22:13
Abraham lifted up his eyes . . . and behold . . . a ram, &c.--No method was more admirably calculated to give the patriarch a distinct idea of the purpose of grace than this scenic representation: and hence our Lord's allusion to it (Joh 8:56).
Next: Genesis Chapter 23
Adam Clarke on Genesis 22:23
Bethuel begat Rebekah - Who afterward became the wife of Isaac.
John Gill on Genesis 22:23
And Bethuel begat Rebekah,.... Who was to be and was the wife of Isaac; and, for the sake of her genealogy, the above account is given, as Aben Ezra observes, and so Jarchi; and this is observed to pave the way for the history of the chapter; for no notice is taken of any other of Bethuel's children but her, not even of Laban her brother:
these eight Milcah did bear, to Nahor, Abraham's brother; this is observed, and the exact number given, as well as their names, to distinguish them from other children of Nahor he had by another woman, as follows:
John Calvin on Genesis 22:19–end
And they rose up, and went together to Beer-sheba. Moses repeats, that Abraham, after having passed through this severe and incredible temptation, had a quiet abode in Beersheba. This narration is inserted, together with what follows concerning the increase of Abraham's kindred, for the purpose of showing that the holy man, when he had been brought up again from the abyss of death, was made happy, in more ways than one. For God would so revive him, that he should be like a new man. Moses also records the progeny of Nahor, but for another reason; namely, because Isaac was to take his wife from it. For the mention of women in Scripture is rare; and it is credible that many daughters were born…