'Seventy' in the Bible

For sevenfold is required for Cain, And for Lamech seventy and sevenfold.'

And Cainan liveth seventy years, and begetteth Mahalaleel.

And all the days of Lamech are seven hundred and seventy and seven years, and he dieth.

And Terah liveth seventy years, and begetteth Abram, Nahor, and Haran.

And Abram goeth on, as Jehovah hath spoken unto him, and Lot goeth with him, and Abram is a son of five and seventy years in his going out from Charan.

And these are the days of the years of the life of Abraham, which he lived, a hundred and seventy and five years;

And the sons of Joseph who have been born to him in Egypt are two persons. All the persons of the house of Jacob who are coming into Egypt are seventy.

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