Philippians 2:22

But you know how he has stood the test, how he has served with me in the gospel, like a son helping his father.

1 Corinthians 4:17

To ensure this, I am sending you Timotheus, my beloved and trustworthy son in the Lord; he will remind you of those methods in Christ Jesus which I teach everywhere in every church.

1 Timothy 1:2

to Timotheus his lawful son in the faith: grace, mercy, peace from God the Father and Christ Jesus our Lord.

2 Corinthians 2:9

For my aim in writing was simply to test you, to see if you were absolutely obedient.

Acts 16:3-12

so, as Paul wished him to go abroad with him, he took and circumcised him on account of the local Jews, all of whom knew his father had been a Greek.

2 Corinthians 8:8

I am not issuing any orders, only using the zeal of others to prove how sterling your own love is.

2 Corinthians 8:22

Along with them I am also sending our brother: I have had ample proof of his keen interest on many occasions, and it is specially keen on this occasion, as he has absolute confidence in you.

2 Corinthians 8:24

So let them have proof of how you can love, and of my reasons for being proud of you; it will be a proof read by the churches.

Philippians 2:20

I have no one like him, for genuine interest in your welfare.

1 Timothy 1:18

I transmit these instructions to you, Timotheus my son, in accordance with what the prophets said who first directed me to you; fight the good fight on these lines,

2 Timothy 3:10

Now you have followed my teaching, my practice, my aims, my faith, my patience, my love, my stedfastness,

Treasury of Scripture Knowledge

Summary

But ye know the proof of him, that, as a son with the father, he hath served with me in the gospel.

Bible References

Ye

Acts 16:3
so, as Paul wished him to go abroad with him, he took and circumcised him on account of the local Jews, all of whom knew his father had been a Greek.
2 Corinthians 2:9
For my aim in writing was simply to test you, to see if you were absolutely obedient.
2 Corinthians 8:8
I am not issuing any orders, only using the zeal of others to prove how sterling your own love is.

As

Philippians 2:20
I have no one like him, for genuine interest in your welfare.
1 Corinthians 4:17
To ensure this, I am sending you Timotheus, my beloved and trustworthy son in the Lord; he will remind you of those methods in Christ Jesus which I teach everywhere in every church.
1 Timothy 1:2
to Timotheus his lawful son in the faith: grace, mercy, peace from God the Father and Christ Jesus our Lord.