Matthew Henry on Genesis 25:1-10
Abraham lived, after the marriage of Isaac, thirty-five years, and all that is recorded concerning him during the time lies here in a very few verses. We hear no more of God's extraordinary appearances to him or trials of him; for all the days, even of the best and greatest saints, are not eminent days, some slide on silently, and neither come nor go with observation; such were these last days of Abraham. We have here,
I. An account of his children by Keturah, another wife whom he married after the death of Sarah. He had buried Sarah and married Isaac, the two dear companions of his life, and was now solitary. He wanted a nurse, his family wanted a governess, and it was not good for him to b…
Read the whole note in the consoleJamieson-Fausset-Brown on Genesis 25:5
Abraham gave all that he had unto Isaac . . . unto the sons of the concubines . . . Abraham gave gifts--While the chief part of the inheritance went to Isaac; the other sons (Ishmael included) migrated to "the East country," that is, Arabia, but received each a portion of the patrimony, perhaps in cattle and other things; and this settlement of Abraham's must have given satisfaction, since it is still the rule followed among the pastoral tribes.
Adam Clarke on Genesis 25:5
Gave all that he had unto Isaac - His principal flocks, and especially his right to the land of Canaan, including a confirmation to him and his posterity of whatever was contained in the promises of God.
John Gill on Genesis 25:5
And Abraham gave all that he had unto Isaac. By his last will and testament; not all out of his own hand, while he lived, at least he reserved somewhat for himself, and for gifts to his other children; so his servant declared to the parents and friends of Rebekah, Genesis 24:35; wherefore some render the words here "had given" (d); or the sense is, that he had at that time purposed and promised to give all that he had to Isaac, and now he actually did it.
(d) "dederat", Junius & Tremellius, Piscator.
