Genesis 9:24 WEB

²²  Ham, the father of Canaan, saw the nakedness of his father, and told his two brothers outside.

²³  Shem and Japheth took a garment, and laid it on both their shoulders, went in backwards, and covered the nakedness of their father. Their faces were backwards, and they didn't see their father's nakedness.

²⁴  Noah awoke from his wine, and knew what his youngest son had done to him.

²⁵  He said, 'Cursed be Canaan; A servant of servants will he be to his brothers.'

²⁶  He said, 'Blessed be Yahweh, the God of Shem; Let Canaan be his servant.