Genesis 9:20-24

And Noah, a good farmer, began to cultivate the land, and he planted a vineyard. And by drinking its wine, he became inebriated and was naked in his tent. Because of this, when Ham, the father of Canaan, had indeed seen the privates of his father to be naked, he reported it to his two brothers outside. And truly, Shem and Japheth put a cloak upon their arms, and, advancing backwards, covered the privates of their father. And their faces were turned away, so that they did not see their father's manhood. Then Noah, awaking from the wine, when he had learned what his younger son had done to him