ASV: Now we, brethren, as Isaac was, are children of promise.

BBE: Now we, brothers, as Isaac was, are the children of the undertaking of God.

DBY: But ye, brethren, after the pattern of Isaac, are children of promise.

KJV: Now we, brethren, as Isaac was, are the children of promise.

WEY: But you, brethren, like Isaac, are children born in fulfilment of a promise.

WBS: Now we, brethren, as Isaac was, are the children of promise.

WEB: Now we, brothers, as Isaac was, are children of promise.

YLT: And we, brethren, as Isaac, are children of promise,
