Revelation 21:14
And the wall of the city had twelve foundations, and in them the names of the twelve apostles of the Lamb.
Cross-reference
Revelation 21:19-21 elaborates on these twelve foundations, describing each adorned with precious stones — expanding the detail.
Isaiah 54:11-12 prophesies a restored Jerusalem with foundations of sapphires and gates of precious stones — fulfilled in the New Jerusalem's foundations and gates.
Matthew 10:2-4 lists the twelve apostles — the same twelve whose names are on the foundations of the New Jerusalem in Revelation.
Ephesians 2:20 explicitly says the church is built on the foundation of the apostles and prophets — directly parallel to the twelve apostles as foundation of the New Jerusalem.
Exodus 24:4 has twelve stone pillars for the tribes; here foundations bear apostles' names, both as structural symbols.
Luke 6:13 records Jesus choosing the twelve apostles; their names appear on the city's foundations here.
Acts 1:2 notes Jesus giving instructions through the Holy Spirit to the apostles — the very men whose names appear on the city’s foundations.
In Hebrews 11:10, Abraham looked for a city with foundations whose architect is God — the same New Jerusalem whose foundations are the apostles in Revelation.