John the Apostle
John 17:7BSB·traditional attribution

Now they know that everything You have given Me comes from You.

John Calvin Reformed @genevareformer

7. Now they have known. Here our Lord expresses what is the chief part in faith, which consists in our believing in Christ in such a manner, that faith does not rest satisfied with beholding the flesh, but perceives his Divine power.

Matthew Henry Presbyterian @wholebiblehenry

Christ, having prayed for himself, comes next to pray for those that are his, and he knew them by name, though he did not here name them. Now observe here, I. Whom he did not pray for (Joh 17:9): I pray not for the world. Note, There is a world of people that Jesus Christ did not pray for.

Commenting on John 17:6-10

John Gill Reformed Baptist @doctorgill

Now they have known,.... The Syriac version reads it "I have known"; and so the Persic and Gothic versions, contrary to most copies and other versions, which read, as we render, "they have known", that is, the disciples and apostles of Christ: that all things whatsoever thou hast given me; all temporal things, the world and the fulness of it; all power in heaven, and...