5 Bible Verses about Dividing Into Three Groups

And he divided the three hundred men into three companies, and he put into the hands of all of them trumpets, and empty pitchers, with torches within the pitchers.

And David sent forth the people, a third part under the hand of Joab, and a third part under the hand of Abishai the son of Zeruiah, Joab's brother, and a third part under the hand of Ittai the Gittite. And the king said unto the people, I will surely go forth with you myself also.

And he commanded them, saying, This is the thing that ye shall do: a third part of you, that come in on the sabbath, shall be keepers of the watch of the king's house;

This is the thing that ye shall do: a third part of you, that come in on the sabbath, of the priests and of the Levites, shall be porters of the thresholds;

And he smote Moab, and measured them with the line, making them to lie down on the ground; and he measured two lines to put to death, and one full line to keep alive. And the Moabites became servants to David, and brought tribute.