Numbers 10:32

And it shall be, if thou go with us, yea, it shall be
This repetition is for the confirmation of it, more strongly assuring him of what follows:

that what goodness the Lord shall do unto us, the same will we do unto
thee;
signifying that whatsoever they enjoyed in the land of Canaan he should have his share with them: the Targum of Jonathan adds,

``in the division of the land;''

Jarchi says, when the land was divided, the fatness of Jericho was given to the sons of Jethro, to Jonadab, the son of Rechab, see ( Judges 1:16 ) ; from whence, however, as well as from other places, ( Judges 4:11 Judges 4:17 ) ( 1 Samuel 15:6 ) ; it appears that the posterity of this man had a settlement in the land of Canaan, and from his silence it may be thought that he was prevailed upon to go along with Moses; or if he departed into his own country, as he said he would, he returned again; at least some of his children did.