Genesis 50:3-5

Young's Literal Translation

³ and they fulfil for him forty days, for so they fulfil the days of the embalmed, and the Egyptians weep for him seventy days.

⁴ And the days of his weeping pass away, and Joseph speaketh unto the house of Pharaoh, saying, `If, I pray you, I have found grace in your eyes, speak, I pray you, in the ears of Pharaoh, saying,

⁵ My father caused me to swear, saying, Lo, I am dying; in my burying-place which I have prepared for myself in the land of Canaan, there dost thou bury me; and now, let me go up, I pray thee, and bury my father, and return;'