Possible Clues:

• Isaac's son
• "Cunning hunter" of the bible
• A son of Isaac
• Duped twin
• He paid dearly for his brother's lentil soup
• His inheritance finally cut, they tell us
• The Bible's 'cunning hunter'
• Person kissing Kate, in a tongue twister
• The 'you' in 'you will serve your brother'
• He gave away his biblical birthright for a mess of pottage