1 Thessalonians 1:4

knowing, brethren beloved by God, His choice of you;

Hebrews 2:9-12

But we do see Him who has been made for a little while lower than the angels, namely, Jesus, because of the suffering of death crowned with glory and honor, that by the grace of God He might taste death for everyone. For it was fitting for Him, for whom are all things, and through whom are all things, in bringing many sons to glory, to perfect the author of their salvation through sufferings. For both He who sanctifies and those who are sanctified are all from one Father; for which reason He is not ashamed to call them brethren, saying, 'I will proclaim Thy name to My brethren, In the midst of the congregation I will sing Thy praise.

Ephesians 3:15

from whom every family in heaven and on earth derives its name,