Romans 16:4

(who for my life have laid down their own neck: to whom not only I give thanks, but also all the churches of the Gentiles:)

John 15:13

Greater love hath no man than this, that a man lay down his life for his friends.

Acts 15:41

And he passed through Syria and Cilicia, confirming the churches.

Acts 16:5

Then were the churches established truly in the faith, and increased in number daily.

Romans 5:7

For scarcely for a righteous person will any one die: though for a good man perhaps some one might even dare to die.

1 Corinthians 7:17

Nevertheless as God has bestowed the gift on every man as the Lord hath called every man, so let him walk, and so I give command in all the churches.

1 Corinthians 16:1

NOW concerning the collection which is for the saints, as I have given an order to the churches of Galatia, so also do ye.

Philippians 2:30

for in the work of Christ he was nigh unto death indifferent about life, that he might afford me that service which it was not in your power to render me.

1 Thessalonians 2:14

For ye, brethren, became imitators of the churches of God which are in Judea, in Christ Jesus: for ye suffered the same things also yourselves from your own countrymen, as they too have of the Jews;

1 John 3:16

By this we have known the love [of Christ], because for us he laid down his own life: and we ought to lay down our lives for the brethren.

Revelation 1:4

John to the seven churches which are in Asia: Grace be with you, and peace from him, who is, and who was, and who is coming; and from the seven spirits which are before the throne of God,

Treasury of Scripture Knowledge

Summary

Who have for my life laid down their own necks: unto whom not only I give thanks, but also all the churches of the Gentiles.

Bible References

Have

Romans 5:7
For scarcely for a righteous person will any one die: though for a good man perhaps some one might even dare to die.
John 15:13
Greater love hath no man than this, that a man lay down his life for his friends.
Philippians 2:30
for in the work of Christ he was nigh unto death indifferent about life, that he might afford me that service which it was not in your power to render me.
1 John 3:16
By this we have known the love [of Christ], because for us he laid down his own life: and we ought to lay down our lives for the brethren.

Also

Acts 15:41
And he passed through Syria and Cilicia, confirming the churches.
Acts 16:5
Then were the churches established truly in the faith, and increased in number daily.
1 Corinthians 7:17
Nevertheless as God has bestowed the gift on every man as the Lord hath called every man, so let him walk, and so I give command in all the churches.
1 Corinthians 16:1
NOW concerning the collection which is for the saints, as I have given an order to the churches of Galatia, so also do ye.
1 Thessalonians 2:14
For ye, brethren, became imitators of the churches of God which are in Judea, in Christ Jesus: for ye suffered the same things also yourselves from your own countrymen, as they too have of the Jews;
Revelation 1:4
John to the seven churches which are in Asia: Grace be with you, and peace from him, who is, and who was, and who is coming; and from the seven spirits which are before the throne of God,