New King James Version
But I know that when I come to you, I shall come in the fullness of the blessing of the gospel of Christ.

King James Bible
And I am sure that, when I come unto you, I shall come in the fulness of the blessing of the gospel of Christ.

American Standard Version
And I know that, when I come unto you, I shall come in the fulness of the blessing of Christ.

Berean Study Bible
I know that when I come to you, I will come in the fullness of the blessing of Christ.

Douay-Rheims Bible
And I know, that when I come to you, I shall come in the abundance of the blessing of the gospel of Christ.

English Revised Version
And I know that, when I come unto you, I shall come in the fulness of the blessing of Christ.

World English Bible
I know that, when I come to you, I will come in the fullness of the blessing of the Good News of Christ.

Young's Literal Translation
and I have known that coming unto you -- in the fulness of the blessing of the good news of Christ I shall come.

Romans 15:29 Additional Translations ...