Genesis 49:28

“All these are the twelve tribes of Israel, etc.] The twelve sons of Jacob before mentioned were heads of twelve tribes, who were afterwards seated, and had their part in the land of Canaan; there were indeed thirteen tribes, two springing from Joseph; but then the tribe of Levi had no part in the land of Canaan, which was divided into twelve parts; this shows that the above predictions respect not the persons of the patriarchs, but their tribes: and this [is it] that their father spake unto them, and blessed them: the above is the sum and substance of what he had delivered in his patriarchal benediction of them, a little before his death; and though some of them, as Reuben, Simeon, and Levi,…”

“all these are the twelve tribes of Israel--or ancestors. Jacob's prophetic words obviously refer not so much to the sons as to the tribes of Israel.”

“- Jacob Blesses His Sons 5. מכרה mekêrāh, “weapon;” related: כיר kārar or כרה kārāh dig. “Device, design?” related: מכר mākar “sell,” in Arabic “take counsel. Habitation.” 10. מחקק mechoqēq, “lawgiver, judge, dispenser of laws.” This word occurs in six other places - Numbers 21:18; Deuteronomy 33:21; Jud. Deuteronomy 5:14; Psalms 60:9; Psalms 108:9; Isaiah 33:22; in five of which it clearly denotes ruler, or judge. The meaning “sceptre” is therefore doubtful. שׁילה shı̂ylôh, Shiloh, a softened form of שׁילון shı̂ylôn, a derivative of שׁל shol, the ultimate root of שׁלה shālâh, שׁלם shālam, and possibly שׁלט shālaṭ, and hence, denoting “the peacemaker, the prince of peace.” It…”

“49:28 These prophecies are broad in scope, foretelling the future of the different tribes in general terms. Individuals, by faith and obedience, could find great blessing from God regardless of what happened to their clan.”