Ezekiel 42:6
For they were in three stories, and they had not pillars as the pillars of the courts: therefore the uppermost was straitened more than the lowest and the middlemost from the ground.
Ezekiel 41:6
And the side-chambers were in three stories, one over another, and thirty in order; and they entered into the wall which belonged to the house for the side-chambers round about, that they might have hold therein , and not have hold in the wall of the house.
1 Kings 6:8
The door for the middle side-chambers was in the right side of the house: and they went up by winding stairs into the middle'story , and out of the middle into the third.