Ephesians 2:13-22 elaborates on Gentiles being brought near and made one body with Jews, expanding the mystery in Eph 3:6.

Ephesians 5:30 states 'we are members of his body', directly affirming the fellow members declaration in Eph 3:6.

Ephesians 4:16 describes the body joined together and growing, reinforcing the 'one body' unity from Eph 3:6 with mutual support imagery.

Ephesians 2:19 uses the same language of 'fellow citizens' and 'members of God's household,' reinforcing the inclusion of Gentiles as full participants.

In 1 Corinthians 12:27, Paul calls believers the body of Christ — the same 'members together' image used here to describe Gentile inclusion.

Galatians 3:14 explicitly says the Abrahamic blessing comes to Gentiles through Christ — the same 'sharers together in the promise' as here.

Galatians 3:26-29 declares all one in Christ and heirs to Abraham's promise, directly echoing the fellow heirs and fellow members of Eph 3:6.

Romans 12:5 says we form one body, each member belongs to all, directly mirroring the one body and fellow membership of Eph 3:6.

Galatians 4:5-7 uses adoption and heirship language, paralleling the 'fellow heirs' concept in Eph 3:6 for Jews and Gentiles.

Romans 8:15-17 affirms believers as children and co-heirs with Christ, reinforcing the 'fellow heirs' aspect of Eph 3:6.

1 John 2:25 identifies the promise as eternal life — specifying what the 'promise in Christ Jesus' here actually is.

Colossians 1:12 speaks of sharing in the inheritance of the saints, directly paralleling the 'fellow heirs' aspect of the mystery in Ephesians 3:6.

Colossians 3:11 declares that in Christ there is no distinction between Jew and Gentile, mirroring the unity of both groups in one body from Ephesians 3:6.

Galatians 3:29 directly ties being in Christ to becoming heirs of the promise, echoing the 'fellow heirs' status for Gentiles in Ephesians 3:6.

Hebrews 3:14 says we 'share in Christ,' using the same word for partakers as Ephesians 3:6. Both describe participation in Christ's salvation.

1 Peter 3:7 calls wives 'fellow heirs of grace,' using the same Greek word for co-heirs as Ephesians 3:6 for Gentiles being fellow heirs of the promise.

In Galatians 2:12, Peter's withdrawal from Gentile fellowship contradicts the co-membership of Ephesians 3:6 — a practical denial of the mystery.

In Romans 3:29, Paul asks if God is only for Jews — affirming He is also for Gentiles, directly supporting the Gentile inclusion in Ephesians 3:6.

In Matthew 8:11, Jesus says many Gentiles will feast with patriarchs, echoing the mystery of Gentile co-heirship.

In Luke 13:29, Jesus says people from all directions will feast in God's kingdom, directly parallel to Gentiles being co-heirs.

In Acts 10:28, Peter learns not to call Gentiles unclean, directly supporting the mystery of Gentiles being fellow heirs.

In Acts 10:35, Peter declares God accepts people from every nation, echoing the truth that Gentiles are co-heirs in Christ.

In Acts 22:21, Paul's commissioning to go to the Gentiles is the divine mandate that makes the mystery of co-heirship with Israel a reality.

In Ezekiel 47:22, foreigners are given inheritance among Israel's tribes, prefiguring the NT mystery of Gentiles becoming co-heirs.

In Romans 9:24, Paul states God called people from both Jews and Gentiles — the very calling that makes the mystery of Ephesians 3:6 a reality.

In Romans 10:12, Paul declares no difference between Jew and Gentile — the same Lord over all, directly echoing the equal status in Ephesians 3:6.

In Romans 11:17, the olive tree grafting metaphor illustrates Gentiles being included with Israel — directly depicting the co-membership of Ephesians 3:6.

In 1 Corinthians 10:17, the one loaf makes the many one body — directly supporting the 'members together of one body' idea in Ephesians 3:6.

In 1 Corinthians 12:13, Paul explicitly says Jews and Gentiles are baptized into one body — a direct parallel to the 'members together of one body' in Ephesians 3:6.

1 John 1:3 speaks of fellowship (koinonia) with the Father and Son — the same root as 'sharers together' here, expanding the fellowship context.

In Romans 8:17, believers are co-heirs with Christ — a broader inheritance theme that underlies the specific Gentile inclusion as co-heirs with Israel in Ephesians 3:6.

Colossians 2:19 also uses the body metaphor, emphasizing Christ as the head from whom the whole body grows — deepening the 'one body' concept here.

Hebrews 3:1 calls believers 'partakers of a heavenly calling,' using the same Greek term for partakers as Ephesians 3:6 for Gentiles sharing in the promise.

Romans 12:4 introduces the body with many members, foundational to the 'fellow members' concept in Eph 3:6, though not about Gentile inclusion.