In Hosea 1:10, the promise that 'you are sons of the living God' directly echoes Deuteronomy's declaration of Israel as God's children.

In 1 John 3:2, the affirmation of being children of God now and future likeness to Christ deepens the identity.

In 1 John 3:1, the declaration that we are called children of God directly echoes the opening of Deuteronomy 14:1.

In Galatians 3:26, believers are declared sons of God through faith in Christ—applying the sonship theme of Deuteronomy to the new covenant.

In Romans 9:8, Paul distinguishes children of promise from children of flesh—redefining true sonship in contrast to national Israel.

In Romans 8:16, the Spirit confirms believers as children of God—a direct NT application of the sonship declared in Deuteronomy.

In John 1:12, the right to become children of God is given to believers—extending the sonship declared for Israel to all who receive Christ.

Exodus 4:22 calls Israel God's firstborn son, directly reinforcing the sonship identity stated in Deuteronomy 14:1.

In Jeremiah 47:5, Philistine mourning includes cutting and baldness—the very practices Israel is forbidden in Deuteronomy 14:1, highlighting pagan customs.

In Jeremiah 3:19, God longs to set Israel among His sons and be called Father—reinforcing the father-child relationship declared in Deuteronomy.

In Leviticus 21:5, priests receive the same prohibitions, emphasizing stricter holiness for leaders.

In Leviticus 19:28, the same ban on cutting bodies for the dead is given, reinforcing the command.

Exodus 4:23 continues the same theme: God calls Israel 'my son' and demands release for his service.

In Ezekiel 27:31, Tyre's mourners shave their heads—the same mourning custom Deuteronomy 14:1 prohibits for Israel, showing its pagan usage.

Isaiah 15:2 describes Moabites making baldness and cutting beards in mourning—paralleling the practices Israel must avoid per Deuteronomy 14:1.

In 1 Kings 18:28, Baal's prophets cut themselves—the exact practice Deuteronomy 14:1 forbids Israel, vividly contrasting true worship with pagan rites.

Romans 9:4 lists Israel's privileges including 'adoption as sons' — directly echoing the sonship declared here.

In Jeremiah 41:5, men are described with shaved beards and cuts, illustrating the very practices forbidden in Deuteronomy.

In Jeremiah 16:6, the mention of cutting and shaving as mourning practices shows the cultural background of the prohibition.

In 2 Corinthians 6:18, God promises to be a Father and believers His sons and daughters—echoing the familial bond declared in Deuteronomy.

In Leviticus 19:27, a similar prohibition against cutting hair reinforces the distinctiveness of God's people.

In John 8:41, the Jews claim God as their Father—echoing Deuteronomy 14:1's declaration that Israel are children of God, though Jesus challenges their true sonship.

In John 11:52, Jesus's death gathers the scattered children of God—widening the family of God beyond national Israel.

In Hebrews 2:10, the concept of believers as many sons being brought to glory expands on the identity as children of God from Deuteronomy.