Genesis 48:18

And Joseph said unto his father, Not so, my father: for this is the firstborn; put thy right hand upon his head.

Cross-references

In Genesis 48:14, Jacob deliberately places his right hand on Ephraim — the very action Joseph protests in this verse.

Genesis 41:51 Historical context

In Genesis 41:51, Joseph names his firstborn Manasseh — the same son Joseph insists is the firstborn here.

In Genesis 29:26, Laban says it's improper to give the younger before the firstborn — the opposite of Jacob's deliberate reversal here.

In Genesis 43:33, Joseph seats his brothers by birth order — contrasting with Jacob's reversal of Manasseh and Ephraim's blessing order.

Joshua 17:1 Historical context

In Joshua 17:1, Manasseh receives land as Joseph's firstborn, confirming the birthright Joseph asserts here.