This document provides an overview and analysis of Genesis 25-27, which describes sibling rivalry between Jacob and Esau and their family dysfunction. The summary is: The document examines the biblical account of Jacob and Esau's rivalry, which stemmed from Isaac's favoritism toward Esau and Rebekah's favoritism toward Jacob. Rebekah conspired with Jacob to trick Isaac into giving Jacob the blessing meant for Esau as the firstborn. This caused further strife in the family and forced Jacob to flee, showing the dysfunctional relationships between family members that led to the rivalry between the twins.