Numbers 31:6
And Moses sent them to the war, a thousand of every tribe, them and Phinehas the son of Eleazar the priest, to the war, with the holy instruments, and the trumpets to blow in his hand.
Cross-reference
Numbers 10:9 specifically ties trumpets to wartime alarm and divine deliverance, explaining their function in this battle.
Numbers 14:44 shows Israel attacking without the ark, leading to defeat — contrasting with Phinehas carrying sanctuary vessels, signifying God's presence.
Numbers 25:7-13 records Phinehas' zealous act that stopped the plague; here he leads the army, continuing the judgment against Midian.
2 Chronicles 13:12-15 shows a later battle where priests blow trumpets and God delivers, echoing this event.
Exodus 6:25 provides the genealogy: Eleazar married Putiel and fathered Phinehas, linking him to the priestly line.
1 Chronicles 6:4 lists Eleazar as Aaron's son, confirming the priestly lineage of Phinehas' father.
Ezra 7:5 traces Ezra's descent through Phinehas, showing the enduring priestly line from him.
Deuteronomy 20:2 describes the priest's role before battle, speaking to the people — a different but related priestly war duty.
1 Chronicles 9:20 notes Phinehas as ruler over the temple gatekeepers, showing his later authority.