25:23 serve the younger. This pre-natal revelation to Rebekah clearly instructed her that, contrary to custom, the youngest of her twin sons was to be spiritual leader of the family. His task was to transmit the divine promises to future generations. This information surely was shared with Isaac and, later, with Esau and Jacob. Yet both Isaac and Esau seem to have rejected this revelation and determined to convey these privileges to Esau.