In Psalm 22:23, the offspring of Jacob are called to praise God, the same posterity that serves Him in v30.

In Psalm 102:18, a record is made for a future generation to praise the LORD, directly echoing the posterity serving and telling of the Lord.

In Psalm 102:28, the offspring of God's servants are established securely, complementing the promise of posterity serving Him.

Isaiah 53:10 promises the suffering servant will see his offspring — directly parallel to the 'posterity' serving God in Psalm 22:30, both pointing to Christ's spiritual descendants.

In Galatians 3:26-29, believers become Abraham's offspring through faith, the spiritual posterity that serves God.

Hebrews 2:13 quotes 'I and the children God has given me' — echoing the posterity serving God in Psalm 22:30, both referring to Christ's spiritual family.

In 1 Peter 2:9, believers are a chosen people to proclaim God's excellencies, directly echoing the posterity serving and declaring the Lord.

Romans 9:8 explains that children of promise are counted as offspring, mirroring the 'accounted' generation in Psalm 22:30.

Jeremiah 33:22 promises multiplied offspring of David serving God, echoing the 'seed' that serves in Psalm 22:30.

In Matthew 3:9, God can raise up children from stones, showing He creates a spiritual posterity to serve Him.