I will give it you for an heritage: I am the Lord. — Heb., I will give it to you for an heritage, I Jehovah. The whole is one sentence, and implies that, as being Immutable and Eternal, He would assuredly give it them.
Related Commentaries of Exodus 6:8
Exodus 6:8
8 And I will bring you in unto the land, concerning the which I did swearb to give it to Abraham, to Isaac, and to Jacob; and I will give it you for an heritage: I am the LORD.