Charles Ellicott Commentary Numbers 32:39

"And the children of Machir the son of Manasseh went to Gilead, and took it, and dispossessed the Amorites that were therein." — Numbers 32:39 (ASV)

And the children of Machir the son of Manasseh went ... — Better, Now the children of Machir the son of Manasseh had gone to Gilead, and taken it, etc. (See Note on Numbers 32:33.)