What does it mean to be part of the family of God?

Being part of the family of God entails being united with other believers as brothers and sisters in Christ, forming a spiritual family connected through faith. Ephesians 3:15 refers to 'the whole family in heaven and earth,' indicating a profound relationship that transcends earthly bounds, linking believers to each other and to the divine. This community is characterized by shared beliefs, mutual support, and collective worship, embodying the love and grace of God towards its members. Furthermore, this familial relationship emphasizes the security and belonging found in Christ, where every believer is a child of God and thus receives the privileges of His family, including access to His kingdom and promises.