Genesis 48:6

“And thy issue, which thou begettest after them, shall be thine, etc.] The children of Joseph, that either were, or would be begotten after Ephraim and Manasseh; though whether ever any were is not certain; and this is only mentioned by way of supposition, as Jarchi interprets it, “if thou shouldest beget”, etc. these should be reckoned his own, and not as Jacob’s sons, but be considered as other grandchildren of Jacob’s were, and not as Ephraim and Manasseh: [and] shall be called after the name of their brethren in their inheritance; they should not have distinct names, or make distinct tribes, or have a distinct inheritance; but should be called either the children of Ephraim, or the…”

“- Joseph Visits His Sick Father The right of primogeniture has been forfeited by Reuben. The double portion in the inheritance is now transferred to Joseph. He is the first-born of her who was intended by Jacob to be his first and only wife. He has also been the means of saving all his father’s house, even after he had been sold into slavery by his brethren. He has therefore, undeniable claims to this part of the first-born’s rights. Genesis 48:1-7 After these things. - After the arrangements concerning the funeral, recorded in the chapter. “Menasseh and Ephraim.” They seem to have accompanied their father from respectful affection to their aged relative. “Israel strengthened himself” -…”