Study
33 and Jacob saith, `Swear to me to-day:' and he sweareth to him, and selleth his birthright to Jacob;
35 and Jehovah hath blessed my lord exceedingly, and he is great; and He giveth to him flock, and herd, and silver, and gold, and men-servants, and maid-servants, and camels, and asses;
In Exodus 28:14, see Chains.