KJV - Behold, what manner of love the Father hath bestowed upon us, that we should be called the sons of God: therefore the world knoweth us not, because it knew him not.
ASV - Behold what manner of love the Father hath bestowed upon us, that we should be called children of God; and `such' we are. For this cause the world knoweth us not, because it knew him not.
BBE - See what great love the Father has given us in naming us the children of God; and such we are. For this reason the world does not see who we are, because it did not see who he was.
WEB - Behold, how great a love the Father has bestowed on us, that we should be called children of God! For this cause the world doesn't know us, because it didn't know him.
YLT - See ye what love the Father hath given to us, that children of God we may be called; because of this the world doth not know us, because it did not know Him;