American Standard Version
(and the life was manifested, and we have seen, and bear witness, and declare unto you the life, the eternal life , which was with the Father, and was manifested unto us);

Berean Study Bible
And this is the life that was revealed; we have seen it and testified to it, and we proclaim to you the eternal life that was with the Father and was revealed to us.

Douay-Rheims Bible
For the life was manifested; and we have seen and do bear witness, and declare unto you the life eternal, which was with the Father, and hath appeared to us:

English Revised Version
(and the life was manifested, and we have seen, and bear witness, and declare unto you the life, the eternal life, which was with the Father, and was manifested unto us);

King James Bible
(For the life was manifested, and we have seen it, and bear witness, and shew unto you that eternal life, which was with the Father, and was manifested unto us;)

World English Bible
(and the life was revealed, and we have seen, and testify, and declare to you the life, the eternal life, which was with the Father, and was revealed to us);

Young's Literal Translation
and the Life was manifested, and we have seen, and do testify, and declare to you the Life, the age-during, which was with the Father, and was manifested to us --

1 John 1:2 Additional Translations ...