'Twelve' in the Bible

Now therefore take you twelve men out of the tribes of Israel, for every tribe a man.

Take you twelve men out of the people, out of every tribe a man,

and command ye them, saying, Take you hence out of the midst of the Jordan, out of the place where the priests feet stood firm, twelve stones, and carry them over with you, and lay them down in the lodging-place, where ye shall lodge this night.

Then Joshua called the twelve men, whom he had prepared of the children of Israel, out of every tribe a man:

And the children of Israel did so as Joshua commanded, and took up twelve stones out of the midst of the Jordan, as Jehovah spake unto Joshua, according to the number of the tribes of the children of Israel; and they carried them over with them unto the place where they lodged, and laid them down there.

And Joshua set up twelve stones in the midst of the Jordan, in the place where the feet of the priests that bare the ark of the covenant stood: and they are there unto this day.

And those twelve stones, which they took out of the Jordan, did Joshua set up in Gilgal.

And all that fell that day, both of men and women, were twelve thousand, even all the men of Ai.

and Chephar-ammoni, and Ophni, and Geba; twelve cities with their villages:

and Kattath, and Nahalal, and Shimron, and Idalah, and Bethlehem: twelve cities with their villages.

The children of Merari according to their families had out of the tribe of Reuben, and out of the tribe of Gad, and out of the tribe of Zebulun, twelve cities.

All these were the cities of the children of Merari according to their families, even the rest of the families of the Levites; and their lot was twelve cities.