NET
21 By faith Jacob, as he was dying, blessed each of the sons of Joseph and worshiped as he leaned on his staff.
Darby
21 By faith Jacob [when] dying blessed each of the sons of Joseph, and worshipped on the top of his staff.
KJV
21 By faith Jacob, when he was a dying, blessed both the sons of Joseph; and worshipped, [leaning] upon the top of his staff.