Genesis 25:1-4 - Abraham's Descendants - What follows took place sometime after Sarah's death

I Chronicles 1:32,33

Genesis 25:5,6

Genesis 25:12-18 - Ishmael's Descendants

I Chronicles 1:28-31

I Chronicles 1:34 - Isaac's Descendants

Genesis 25:19-26 (2006 or 1840 BC) - The Births of Jacob and Esau

Genesis 25:7-11 (1991 or 1825 BC) - The Death of Abraham - When Esau and Jacob were about fifteen years old, their grandfather Abraham died