Mark 3:35
NKJV - 35 "For whoever does the will of God is My brother and My sister and mother."
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.
Romans 12:1-3; Galatians 4-5; Colossians 3; Ephesians 5:8-9; Proverbs 3 & 37. These are good beginnings. Also John 10-17 & Hebrews 10-13. _()_