Berean Study Bible
And if you belong to Christ, then you are Abraham’s seed and heirs according to the promise.

King James Bible
And if ye be Christ's, then are ye Abraham's seed, and heirs according to the promise.

American Standard Version
And if ye are Christ's, then are ye Abraham's seed, heirs according to promise.

Darby Bible Translation
but if ye [are] of Christ, then ye are Abraham's seed, heirs according to promise.

Douay-Rheims Bible
And if you be Christ's, then are you the seed of Abraham, heirs according to the promise.

English Revised Version
And if ye are Christ's, then are ye Abraham's seed, heirs according to promise.

Young's Literal Translation
and if ye are of Christ then of Abraham ye are seed, and according to promise -- heirs.