Read Genesis 47:31 Using Other Translations
And he said, Swear unto me. And he sware unto him. And Israel bowed himself upon the bed's head.
And he said, "Swear to me"; and he swore to him. Then Israel bowed himself upon the head of his bed.
“Swear that you will do it,” Jacob insisted. So Joseph gave his oath, and Jacob bowed humbly at the head of his bed.