Genesis 14:4

Overview - Genesis 14
1	The battle of four kings against the king of Sodom and his allies.
12	Lot is taken prisoner.
14	Abram rescues him.
17	Melchizedek blesses Abram at his return, who gives him tithes.
21	The rest of the spoil, his partners having had their portions he restores to the king of Sodom.

Genesis 14:4  (King James Version)
Twelve years they served Chedorlaomer, and in the thirteenth year they rebelled.