And Joseph brought in Jacob his father, and set him before Pharaoh: and Jacob blessed Pharaoh.
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George Leo Haydock
Blessed him, Pharao; saying, perhaps, God save the king; or, O king live for ever: thus wishing that he might enjoy all sorts of blessings. (Menochius)
It is generally taken in this sense, when men bless one another; but when they bless God, they mean to praise, supplicate, or thank him. (Calmet)