How old art thou? — A question usually put to old men, for it is natural to us to admire old age, and to reverence it. Jacob's countenance no doubt shewed him to be old, for be had been a man of labour and sorrow. In Egypt people were not so long — lived as in Canaan, and therefore Pharaoh looks upon Jacob with wonder.
Related Commentaries of Genesis 47:8
Genesis 47:8
8 And Pharaoh said unto Jacob, Howa old art thou?