Numbers 32:19

For we will not inherit with them on the other side of Jordan, or forward, because our inheritance has fallen to us on this side of Jordan, eastward.

Joshua 13:8

with whom the Reubenites and the Gadites have received their inheritance which Moses gave them beyond Jordan eastward, as Moses the servant of Jehovah gave them,

Genesis 13:10-12

And Lot lifted up his eyes and saw all the circuit of Jordan, that it was all well watered (before Jehovah destroyed Sodom and Gomorrah,) like the garden of Jehovah, like the land of Egypt as you come to Zoar.

Genesis 14:12

And they took Lot, Abram's brother's son, who lived in Sodom, and all his goods, and went away.

Numbers 32:32-33

We will go over armed before Jehovah into the land of Canaan, so that the possession of our inheritance on this side Jordan may be ours.

Numbers 34:15

The two tribes and the half tribe have received their inheritance on this side Jordan at Jericho eastward, toward the sunrise.

Joshua 1:14-15

Your wives, your little ones, and your cattle shall remain in the land which Moses gave you on this side Jordan. But you shall go armed before your brothers, all the mighty men of valor, and help them

Joshua 12:1-6

And these are the kings of the land, whom the sons of Israel struck and whose land they possessed on the other side Jordan toward the rising of the sun, from the river Arnon to mount Hermon, and all the plain on the east:

2 Kings 10:32-33

In those days Jehovah began to cut Israel short. And Hazael struck them in all the border of Israel,

2 Kings 15:29

In the days of Pekah king of Israel, Tiglath-pileser king of Assyria came and took Ijon, and Abel-beth-maachah, and Janoah, and Kedesh, and Hazor, and Gilead, and Galilee, all the land of Naphtali, and he deported them to Assyria.

1 Chronicles 5:25-26

And they sinned against the God of their fathers, and went lusting after the gods of the people of the land, whom God destroyed before them.

Proverbs 20:21

An inheritance gotten hastily in the beginning, even the end of it shall not be blessed.

Treasury of Scripture Knowledge

Summary

For we will not inherit with them on yonder side Jordan, or forward; because our inheritance is fallen to us on this side Jordan eastward.

Bible References

We will

Genesis 13:10
And Lot lifted up his eyes and saw all the circuit of Jordan, that it was all well watered (before Jehovah destroyed Sodom and Gomorrah,) like the garden of Jehovah, like the land of Egypt as you come to Zoar.
Genesis 14:12
And they took Lot, Abram's brother's son, who lived in Sodom, and all his goods, and went away.
2 Kings 10:32
In those days Jehovah began to cut Israel short. And Hazael struck them in all the border of Israel,
2 Kings 15:29
In the days of Pekah king of Israel, Tiglath-pileser king of Assyria came and took Ijon, and Abel-beth-maachah, and Janoah, and Kedesh, and Hazor, and Gilead, and Galilee, all the land of Naphtali, and he deported them to Assyria.
1 Chronicles 5:25
And they sinned against the God of their fathers, and went lusting after the gods of the people of the land, whom God destroyed before them.
Proverbs 20:21
An inheritance gotten hastily in the beginning, even the end of it shall not be blessed.

Because

Numbers 32:33
And Moses gave to them, to the sons of Gad and to the sons of Reuben, and to the half the tribe of Manasseh the son of Joseph, the kingdom of Sihon king of the Amorites, and the kingdom of Og king of Bashan, the land with its cities in the borders, the cities of the land all around.
Joshua 12:1
And these are the kings of the land, whom the sons of Israel struck and whose land they possessed on the other side Jordan toward the rising of the sun, from the river Arnon to mount Hermon, and all the plain on the east:
Joshua 13:8
with whom the Reubenites and the Gadites have received their inheritance which Moses gave them beyond Jordan eastward, as Moses the servant of Jehovah gave them,