The son of his old age Born when Jacob was ninety-one years old. Such children are commonly best beloved of their parents. Several of the ancient translations, Chaldee, Persian, Arabic, and Samaritan, render the words a wise or prudent son, old age being an emblem of prudence; one born old, wise above his years. Jacob's other sons had in many things grieved and disgraced him; but Joseph, it seems, gave, while young, indications of that wisdom and piety which adorned his riper years. A coat of divers colours Interwoven with threads, or made of pieces of divers colours. This probably was meant to signify that further honours were intended him; but it seems to have been an injudicious distinction, and excited the envy of Jacob's other sons.
Related Commentaries of Genesis 37:3
Genesis 37:3
3 Now Israel loved Joseph more than all his children, because he was the son of his old age: and he made him a coat of many colours.a