1 Chronicles 5:11

Overview - 1 Chronicles 5
Judah and Joseph preferred before Reuben, who forfeited his birthright.
Ruben's descendants; some of whom vanquish the Hagarites.
11 The chief men of Gad, and their habitations.
18 Ruben, Gad, and half of Manasseh, obtain a victory over the Hagarites.
23 The habitations and chief men of that half of Manasseh.
25 The captivity of the two tribes and half, for their sins.
Treasury of Scripture Knowledge

1 Chronicles 5:11  (King James Version)
And the children of Gad dwelt over against them, in the land of Bashan unto Salchah:

the children
The Gadites and the half tribe of Manasseh are joined to the genealogy of Reuben, because they inhabited the same country, and formed a sort of separate colony east of Jordan.

in the land
Numbers 32:34-36 ; Deuteronomy 3:10-17 ; Joshua 13:11 Joshua 13:24-28