'Twelve' in the Bible

So take for yourselves twelve men from the tribes of Israel, one man from each tribe.

"Gather together twelve men from the people one man from each tribe

and tell them, "Pick up twelve stones from the middle of the Jordan where the priests' feet were standing, bring them along with you, and put them down where you camp tonight.'"

So Joshua called the twelve men whom he had chosen from the people of Israel, one man from each tribe.

The Israelis did just as Joshua commanded. They took up twelve stones from the middle of the Jordan River just as the LORD had spoken to Joshua according to the number of the tribes of the Israelis, and they carried them over to where they would be pitching camp, and they put them down there.

Then Joshua set up twelve stones in the middle of the Jordan River at the location where the feet of the priests who carried the Ark of the Covenant had been standing, and they remain there to this day.

Joshua set up the twelve stones that they had removed from the Jordan River at Gilgal.

Chephar-ammoni, Ophni, and Geba, for a total of twelve towns and villages.

and Kattath, Nahalal, Shimron, Idalah, and Bethlehem, for a total of twelve towns and villages.

The descendants of Merari, allocated according to their families, received twelve cities from the tribes of Reuben, Gad, and Zebulun.

So the entire allocation to the descendants of Merari (that is, the rest of the families of the descendants of Levi) according to their families totaled twelve cities.