New Revised Standard Version
Then the other disciple, who reached the tomb first, also went in, and he saw and believed;

Contemporary English Version
The disciple who got there first then went into the tomb, and when he saw it, he believed.

New American Bible
Then the other disciple also went in, the one who had arrived at the tomb first, and he saw and believed.

Douay-Rheims Bible
Then that other disciple also went in, who came first to the sepulchre: and he saw and believed.

Then that other disciple also went in, who came first to the sepulchre: and he saw and believed.

and he.

John 20:25,29 The other disciples therefore said to him: We have seen the Lord. But he said to them: Except I shall see in his hands the print of the nails and put my finger into the place of the nails and put my hand into his side, I will not believe. . . .

John 1:50 Jesus answered and said to him: Because I said unto thee, I saw thee under the fig tree, thou believest: greater things than these shalt thou see.