Genesis 17.8
Septuagint



kai dwsw soi kai
tw spermati sou meta se thn ghn, hn paroikeiV, pasan thn ghn Canaan, 
eiV katascesin aiwnion:  kai esomai autoiV eiV qeon

New Testament - Acts 7.5

kai ouk edwken autw klhronomian en auth oude bhma podoV kai ephggeilato 
dounai autw
eiV katascesin authn kai 
tw spermati autou met auton, 
ouk ontoV autw teknou

Septuagint

And I will give to thee and to thy seed after thee the land wherein thou sojournest, even all the land of Chanaan for an everlasting possession, and I will be to them a God

New Testament

and he gave him none inheritance in it, not so much as to set his foot on:  and he promised that he would give it to him in possession, and to his seed after him, when as yet he had no child 

Masoretic Text

And I will give unto thee, and to thy seed after thee, the land of thy sojournings, all the land of Canaan, for an everlasting possession; and I will be their God

Comments:  The NT, LXX and MT agree.