New Revised Standard Version
For their possessions were too great for them to live together; the land where they were staying could not support them because of their livestock.

Contemporary English Version
He did this because the land was too crowded and could not support him and his brother with their flocks and herds.

New American Bible
Their possessions had become too great for them to dwell together, and the land in which they were residing could not support them because of their livestock.

Douay-Rheims Bible
For they were exceeding rich, and could not dwell together: neither was the land in which they sojourned able to bear them, for the multitude of their flocks.

For they were exceeding rich, and could not dwell together: neither was the land in which they sojourned able to bear them, for the multitude of their flocks.

their riches.

Genesis 13:6,11 Neither was the land able to bear them, that they might dwell together: for their substance was great, and they could not dwell together. . . .

the land.

Genesis 17:8 And I will give to thee, and to thy seed, the land of thy sojournment, all the land of Chanaan, for a perpetual possession, and I will be their God.

Genesis 28:4 And give the blessings of Abraham to thee, and to thy seed after thee: that thou mayst possess the land of thy sojournment, which he promised to thy grandfather.