'Seven' in the Bible

And there was a prophetess, Anna, daughter of Phanuel, of the tribe of Asher, who was far advanced in years, having lived with her husband seven years from her virginity,

and certain women who had been healed of wicked spirits and infirmities, Mary who was called Magdalene, from whom seven demons had gone out,

Then he goes and takes seven other spirits worse than himself, and entering in, they dwell there; and the last condition of that man becomes worse than the first.

And if he should sin against thee seven times in the day, and seven times should return to thee, saying, I repent, thou shalt forgive him.

There were then seven brethren: and the first, having taken a wife, died childless;

and the third took her: and in like manner also the seven left no children and died;

In the resurrection therefore of which of them does she become wife, for the seven had her as wife?