Moses gave
Joshua 4:12
And the children of Reuben, and the children of Gad, and half the tribe of Manasseh, passed over armed before the children of Israel, as Moses spake unto them:
Joshua 22:4
And now the LORD your God hath given rest unto your brethren, as he promised them: therefore now return ye, and get you unto your tents, and unto the land of your possession, which Moses the servant of the LORD gave you on the other side Jordan.
Numbers 32:33-42
33
And Moses gave unto them, even to the children of Gad, and to the children of Reuben, and unto 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 the cities thereof in the coasts, even the cities of the country round about.
34
And the children of Gad built Dibon, and Ataroth, and Aroer,
35
And Atroth, Shophan, and Jaazer, and Jogbehah,
36
And Bethnimrah, and Bethharan, fenced cities: and folds for sheep.
37
And the children of Reuben built Heshbon, and Elealeh, and Kirjathaim,
38
And Nebo, and Baalmeon, (their names being changed,) and Shibmah: and gave other names unto the cities which they builded.
39
And the children of Machir the son of Manasseh went to Gilead, and took it, and dispossessed the Amorite which was in it.
40
And Moses gave Gilead unto Machir the son of Manasseh; and he dwelt therein.
41
And Jair the son of Manasseh went and took the small towns thereof, and called them Havothjair.
42
And Nobah went and took Kenath, and the villages thereof, and called it Nobah, after his own name.
Deuteronomy 3:12-17
12
And this land, which we possessed at that time, from Aroer, which is by the river Arnon, and half mount Gilead, and the cities thereof, gave I unto the Reubenites and to the Gadites.
13
And the rest of Gilead, and all Bashan, being the kingdom of Og, gave I unto the half tribe of Manasseh; all the region of Argob, with all Bashan, which was called the land of giants.
14
Jair the son of Manasseh took all the country of Argob unto the coasts of Geshuri and Maachathi; and called them after his own name, Bashanhavothjair, unto this day.
15
And I gave Gilead unto Machir.
16
And unto the Reubenites and unto the Gadites I gave from Gilead even unto the river Arnon half the valley, and the border even unto the river Jabbok, which is the border of the children of Ammon;
17
The plain also, and Jordan, and the coast thereof, from Chinnereth even unto the sea of the plain, even the salt sea, under Ashdothpisgah eastward.