Judges 5:14
Out of Ephraim was there a root of them against Amalek; after thee, Benjamin, among thy people; out of Machir came down governors, and out of Zebulun they that handle the pen of the writer.
Cross-reference
Judges 4:6 records Deborah commanding Barak to gather Naphtali and Zebulun. Here, Zebulun is listed among those who came down, confirming their obedience to the call.
Judges 4:10 explicitly says Barak summoned Zebulun and Naphtali to Kedesh. Here, Zebulun is listed as providing commanders, matching that mobilization.
Judges 4:14 describes the battle when Barak charged down Mount Tabor. Here, the song lists tribes that 'came down'—the same descent into battle.
In Judges 3:27, Ehud sounds a trumpet in Ephraim to rally Israel. Here, Ephraim is listed among tribes coming to battle, showing Ephraim's role as a rallying point.
Judges 4:5 places Deborah's seat in the hill country of Ephraim. Here, Ephraim is named as a tribe in the battle song, linking the tribe to Deborah's leadership.
Exodus 17:8-16 recounts Israel's first battle with Amalek. Here, Ephraim is said to have 'roots in Amalek,' possibly alluding to that earlier conflict or heritage.
Numbers 32:39 tells how Makir (Manasseh) conquered Gilead. Here, 'Makir' is named as a source of captains, linking their later military prowess to their conquest.
Numbers 32:40 records Moses giving Gilead to the Makirites. Here, Makir is mentioned as providing leaders, showing their settled territory as a base for battle.
Joshua 17:1 notes Machir as a man of war, consistent with the commanders from Machir in Judges 5:14.
Numbers 26:29 gives the genealogy of Machir, the same clan from which commanders came in Judges 5:14.