Ephesians 6:21

But so that you may have knowledge of my business, and how I am, Tychicus, the well-loved brother and tested servant in the Lord, will give you news of all things:

Acts 20:4

And Sopater of Beroea, the son of Pyrrhus, and Aristarchus and Secundus of Thessalonica, and Gaius of Derbe, and Timothy, and Tychicus and Trophimus of Asia, went with him as far as Asia.

2 Timothy 4:12

Tychicus I sent to Ephesus.

Titus 3:12

When I send Artemas or Tychicus to you, do your best to come to me at Nicopolis: for it is my purpose to be there for the winter.

1 Corinthians 4:17

For this cause I have sent Timothy to you, who is my dear and true child in the Lord; he will make clear to you my ways in Christ, even as I am teaching everywhere in every church.

Philippians 1:12

Now it is my purpose to make clear to you, brothers, that the cause of the good news has been helped by my experiences;

Colossians 1:7

As it was given to you by Epaphras, our well-loved helper, who is a true servant of Christ for us,

Colossians 4:7-9

Tychicus will give you news of all my business: he is a dear brother and true servant and helper in the word;

1 Timothy 4:6

If you keep these things before the minds of the brothers, you will be a good servant of Christ Jesus, trained in the words of the faith and of the right teaching which has been your guide:

1 Peter 5:12

I have sent you this short letter by Silvanus, a true brother, in my opinion; comforting you and witnessing that this is the true grace of God; keep to it.

2 Peter 3:15

And be certain that the long waiting of the Lord is for salvation; even as our brother Paul has said in his letters to you, from the wisdom which was given to him;

Treasury of Scripture Knowledge

Summary

But that ye also may know my affairs, and how I do, Tychicus, a beloved brother and faithful minister in the Lord, shall make known to you all things:

Bible References

That

Philippians 1:12
Now it is my purpose to make clear to you, brothers, that the cause of the good news has been helped by my experiences;
Colossians 4:7
Tychicus will give you news of all my business: he is a dear brother and true servant and helper in the word;

Tychicus

Acts 20:4
And Sopater of Beroea, the son of Pyrrhus, and Aristarchus and Secundus of Thessalonica, and Gaius of Derbe, and Timothy, and Tychicus and Trophimus of Asia, went with him as far as Asia.
2 Timothy 4:12
Tychicus I sent to Ephesus.
Titus 3:12
When I send Artemas or Tychicus to you, do your best to come to me at Nicopolis: for it is my purpose to be there for the winter.

Beloved

Colossians 4:9
And with him I have sent Onesimus, the true and well-loved brother, who is one of you. They will give you word of everything which is taking place here.
Philemon 1:16
No longer as a servant, but more than a servant, a brother, very dear to me specially, but much more to you, in the flesh as well as in the Lord.
2 Peter 3:15
And be certain that the long waiting of the Lord is for salvation; even as our brother Paul has said in his letters to you, from the wisdom which was given to him;

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain