1 Chronicles 1:28

“Isaac and Ishmael - Isaac, though younger than Ishmael, is placed first, as the legitimate heir, since Sarah alone was Abraham’s true wife (compare the 1 Chronicles 1:36 note). return to 'Top of Page'”

“The sons of Abraham - All nations but the seed of Abraham are already shaken off from this genealogy. Not that we conclude, no particular persons of any other nation but this found favour with God. Multitudes will be brought to heaven out of every nation, and we may hope there were many, very many people in the world, whose names were in the book of life, tho' they did not spring from the loins of Abraham. 1 Chronicles 1:36”

“1:28-33 Using the same pattern as the author of Genesis, the Chronicler traces separately the descendants of Abraham apart from Isaac, listing the sons of Ishmael (1:29-31; cp. Gen 25:12-15) and the sons of Keturah (1 Chr 1:32-33; cp. Gen 25:1-3) before detailing the descendants in the chosen family line.”

“Isaac: Gen 17:19-21, Gen 21:2-5, Gen 21:12 Ishmael: Gen 16:11-16, Gen 21:9, Gen 21:10 1 Chronicles 1:29”

“The sons of Abraham. - In Ch1 1:28 only Isaac and Ishmael are so called; Isaac first, as the son of the promise. Then, in Ch1 1:29-31, follow the posterity of Ishmael, with the remark that Ishmael was the first-born; in Ch1 1:32 and Ch1 1:33, the sons of Keturah; and finally in Ch1 1:34, the two sons of Isaac. Ch1 1:29-33 The names of the generations (תּולדות) of Ishmael (Hebr. Yishma'el) correspond to those in Gen 25:12-15, and have been there explained. In Ch1 1:32. also, the names of the thirteen descendants of Abraham by Keturah, six sons and seven grandsons, agree with Gen 25:1-4 (see commentary on that passage); only the tribes mentioned in Gen 25:3, which were descended from Dedan the…”