Genesis 13:2

13:2 (Now Abram was very wealthy in livestock, silver, and gold.)

Genesis 13:5

13:5 Now Lot, who was traveling with Abram, also had flocks, herds, and tents.

Genesis 13:10-11

13:10 Lot looked up and saw the whole region of the Jordan. He noticed that all of it was well-watered (before the Lord obliterated Sodom and Gomorrah) like the garden of the Lord, like the land of Egypt, all the way to Zoar. 13:11 Lot chose for himself the whole region of the Jordan and traveled toward the east.

So the relatives separated from each other.